One wire alternator getting hot

x2 Dec 13, 2012 · Upgrading your current alternator is one of the easiest bolt-on enhancements you can make to your musclecar, hot rod or even your daily driver. For any enthusiast who is handy with tools this is typically a simple upgrade on most cars. Not to leave you in suspense, we got a hold of Powermaster to get the inside scoop on choosing the correct ... Sep 13, 2006 · I have a one wire alternator on my '65 Impala and it's worked fine. They are self energizing, so yes, you do have to get the alternator RPM up one time after you start the engine in order to energize the fields, but once done it will continue to charge at any RPM just like a regular alternator. As for the hot wire, just hook it to the hot side ... Sep 13, 2006 · I have a one wire alternator on my '65 Impala and it's worked fine. They are self energizing, so yes, you do have to get the alternator RPM up one time after you start the engine in order to energize the fields, but once done it will continue to charge at any RPM just like a regular alternator. As for the hot wire, just hook it to the hot side ... Feb 06, 2017 · The average alternator output is around 13.8 volts and amperage dependent upon its rating; 90 amp alternator may have a peak output of 88 amps. I strongly suggest having the charging system tested for overcharging. An inspection performed by a qualified technician will help avoid replacing unnecessary parts. 08-16-2010, 03:25 PM. Chevy Guy. Learning to use the forums. Join Date: Aug 2010. Posts: 8. Alternator gets hot with engine off. The alternator on my '06, 3.0L was getting hot with the engine shut off (eventually ran the battery down to zero). Since I suspected it was causing an annoying squeak anyway, I bought and installed a new alternator.Your alternator should not exceed 150C (302F). Beyond that the varnish on the wire may start melting and the diodes in the alternator will short out. 100C is boiling point of water. Alternators can handle a lot of heat. That is an INSANE range. The alt is well under engine temp so I guess its all good. 1 - 9 of 9 Posts Forums Tech Help ElectricalIf that is a hot wire, that is, something from the hot terminal of the battery or generator, it creates a dead short and attempts to draw an infinite amperage. The alternator is going to ramp to it's maximum and beyond, attempting to meet the draw. ... 1. The alternator wire will be a number 10 wire run to the ammeter. Must reverse the poles on ...Jun 13, 2020 · Chevy One Wire Alternator Wiring Diagram. To properly read a electrical wiring diagram, one offers to learn how the particular components in the system operate. For instance , if a module is usually powered up and it sends out a new signal of half the voltage and the technician will not know this, he would think he has a challenge, as he would ... Sep 25, 2008 · The alternator is overheating. We need to see how much amperage the alternator is putting out to see if that is the issue (charging a lot all of the time). It is possible for the alternator to get hot, but not because it is putting out amperage. If there is an internal issue with the alternator it can get hot without charging a lot. Hi Everyone, Just finished up a family run on the 4th of July and noticed this morning the engine alternator on the starboard engine is real hot to the touch after engine off for 8-10 hours. Large battery charger in port engine room charging and also a little hot but not as bad as the alternator. 1. measure voltage. if above 14.8ish, regulator is bad, and is running alternator wide open, resulting in excessive heat. Will very soon ruin your "brand new battery". 2. if voltage is below 12.6 when running, suspect bad diode 3. If voltage is between 13.2 and 14.8, disconnect exciter wire. Run alternator.Nov 10, 2009 · And also connecting the hot lead wire to the hot terminal on the alt. (Your done at the alt.) Now at the voltage regulator. You have 4 wires with position 1-4 #1 Blue #2 White #3 Orange #4 brown Cut And splice the white and brown wire together. Position #4 & #2 Cut and connect #1 & #3 and connect them to the positive terminal on the Horn relay. Feb 07, 2018 · Posted February 8, 2018. Lift the two wire connector -off- of the alternator. If you only have power on the one lead (the L one that goes right down to the Bat terminal) , then your good on that lead. Now put your light on the other one, should show power only when you turn the ignition On. If so, then that line is good. Jan 04, 2019 · Conduct a Voltmeter Test. Get a cheap voltmeter. With the engine off, battery voltage should be between 12.5 and 12.8 volts. If it's below that, charge the battery with a battery charger before you conduct the test again. Then start the engine and check for increased voltage readings. If you see higher readings, chances are the alternator is good. The voltage regulator which is internal to the alternator uses a grounding system to regulate output voltage. In other words as the voltage goes high it uses contacts that send it to ground. If these contacts stick it sends battery voltage to ground all the time, hence HOT feel to alternator. Usually kills a battery. Philip AdministratorJul 16, 2019 · It's that current that causes wires to get hot. To reduce the alternator's output current while driving to the shop, turn off everything electrical possible. You don't need the radio, heater fan, and air conditioning, and if you drive near highway speeds, the radiator fan won't turn on either. All those things get their power from the ... 2,718. Location. South Shores area of Decatur, Illinois. The 2 field connection alternator operation is very similar to the single field connection unit. In the 2 field connection alternator, the 12 volt rotor supply current goes through the rotating field connections (brushes) back to the voltage regulator.Discussion Starter · #1 · Dec 21, 2008 (Edited) My '95 Pontiac LT1 is installed in a Jaguar and I need information about the alternator wiring. There is a Powermaster alternator on the car (now in being repaired since it had no output) that has a red 8 gauge power wire. Plus, there is a black plug in connector that has one wire going into the ...May 14, 2011 · Make it big. If you are installing a 130A alternator increase your wire size from the alternator to the solonid. 10 ga wire is only rated at 30 amps 8 ga 55 amps. By the charts you need a #2 wire for 130 amps. (or you could use 2 of the #8 or #6-75amp) Do yourself a favor and get a piece of welding cable. Check out our one wire alternator conversion guide. We cover GM 1 wire alternator wiring as well as Ford and Chevy. Learn about pulley ratio and charging too! Talk to the experts. Call 800.979.0122, 7am-10pm, everyday. ... Hot Rod, or Truck by Mark Houlahan - Posted in Tech 4/15/2022 ...IF it is a 100 amp alternator, a 10ga wire is not heavy enough. A 10ga wire with 50 amps of current draw will be almost ready to melt the insulation after 15 minutes. I don't know if that helps. A single wire alternator has the regulator built in, so the only way it can sense the battery voltage is to keep resistance to a minimum. My 2 cts.My `03 Jetta 1st blew the fuse that is for the alternator, after replacing the bad fuse I noticed that the hot wire from the alt. To the battery was extremley hot, the rest of the positive wires that are fed out of the same fuse block are all handleable, I have already tested the atlernator and its charging fine at between 13 and 14 volts.CORRECT WIRE SIZE IS CRITICAL Alternator Rating Wire Size Available Kits 75 Amps 10 gauge High Output Alternator Wiring Kit 555 -10510 100 Amps 8 gauge 150 Amps 6 gauge 200 Amps 4 gauge It is very important to use the correct wire size to connect the alternator to the battery. A wire size too small can allow the wire to overheat, melt the ... Hot Rod Alternators in-stock with same-day shipping. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday. GIFT CARDS. DEALS. TRACK ORDER ... gm 1 wire alternator Ford alternator 7068K alternator 140 amp chevy one wire alternator for ford 1 w,ire alternator 1 wire alternator for 1957 ford 100 amp 1 wire cs130 alternators 1 wire ford alt ... pico x bf rule 34 Jul 16, 2019 · It's that current that causes wires to get hot. To reduce the alternator's output current while driving to the shop, turn off everything electrical possible. You don't need the radio, heater fan, and air conditioning, and if you drive near highway speeds, the radiator fan won't turn on either. All those things get their power from the ... Once the voltage regulator turns on, the alternator will remain on and charging until the engine comes to a complete stop. If the engine idle speed and pulley ratio combination do not allow the alternator to come up to this point during starting, the engine will have to be revved up to turn the one wire alternator on.Sep 02, 2010 · Super Moderator. Joined Sep 20, 2000. 33,641 Posts. #4 · Sep 2, 2010. No, when key is the tumbler and the switch is in IGN position other than ACC, OFF, LOCKED, or START. If the two wires are swapped, battery voltage on the left spade can be making the alt hot. 1 - 4 of 4 Posts. Jan 14, 2014 · 02 Connect the voltmeter between the alternator's output (BAT) terminal and Ground. If voltage is 13.614.6 volts, the alternator is OK, but power isn't getting to the battery. Go to Step 03. If ... CORRECT WIRE SIZE IS CRITICAL Alternator Rating Wire Size Available Kits 75 Amps 10 gauge High Output Alternator Wiring Kit 555 -10510 100 Amps 8 gauge 150 Amps 6 gauge 200 Amps 4 gauge It is very important to use the correct wire size to connect the alternator to the battery. A wire size too small can allow the wire to overheat, melt the ...Sep 12, 2016 · Changing the pulley ratio on the alternator by slowing it down will generally keep a one-wire regulator from charging. This can also produce a low voltage problem at engine idle speed depending on the amount of reduction. Alternators are usually tested with a 3:1 pulley ratio. This is the recommended street pulley ratio and is used in most ... 5,110 Posts. #5 · Oct 12, 2009. I'm with Howler. Wires will melt because of a poor connection. Make sure you have the proper size ring terminal, use a wire brush to clean the alternator stud and nut. If you need to, use some copper washers underneath the ring terminal to help it seat properly, the factory connector is small and tabbed so that ...Apr 03, 2010 · The 1-wire alts by design ar not a good choice. Stick with a 3 wire like a CS144 or CS130 and just convert to an internally regulated system. If I remember right, from the harness side of the regulator plug-in you have now, the yellow and orange leads get capped seperately while the blue and brown get spliced together. 1 wire Alternator gets super hot! The 1967 - 1972 Chevrolet & GMC Pickups Message Board. Register or Log In To remove these advertisements. The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks ...Yes alternators give off heat, they have an internal fan to cool it. The will get too hot to touch after running a while. I would test the voltage at the battery with a meter, should be around 12 V. A good test is at 1500 rpm, headlights, heater fan and radio on, should hold around 14 V. bfranklin88 08-06-2009, 03:14 PMIF it is a 100 amp alternator, a 10ga wire is not heavy enough. A 10ga wire with 50 amps of current draw will be almost ready to melt the insulation after 15 minutes. I don't know if that helps. A single wire alternator has the regulator built in, so the only way it can sense the battery voltage is to keep resistance to a minimum. My 2 cts.gage green wire with brown stripe paired with a yellow16 gage wire. The green/brown wire will connect to the alternator and operates the ALT light in the instrument cluster. I cut the Ford plug off and install a Weather Pack Connector on the green/brown wire. The yellow wire operates the horn and it is hot with the ignition on. LoosenJul 18, 2022 · The only thing you need to hook up on a one-wire alternator is a charge wire from the terminal on the alternator to the positive terminal on the battery (or any positive battery source). The external regulator can either be totally dismantled from the firewall or left in place. If left in place, be sure to disconnect the wiring harness from the ... Mar 11, 2022 · The commonest answer to why an alternator gets hot involve one of two things, this could be as a result of factors to impedes the outflow of the current that leaves the alternator through its diodes as well as the wire windings, or as a result of a frictional force that builds up the alternators bearing or belt. The alternator charges fine, it puts out about 14 volts. It is the second rebuilt alt on the car since the rewire job (the first smoked out.) The large red wire goes to the starter, the #2 red wire goes to the same post on the back of the alternator as the large red wire, and the #1 brown wire goes up under the dash. What can cause this?Feb 07, 2018 · Posted February 8, 2018. Lift the two wire connector -off- of the alternator. If you only have power on the one lead (the L one that goes right down to the Bat terminal) , then your good on that lead. Now put your light on the other one, should show power only when you turn the ignition On. If so, then that line is good. Hot Rod Wiring – Diagram. Please Note: This diagram was designed for 12 volt systems, but can also be used for 6 volt systems. If used for 6 volt, make all the wires heavier by 2 gauges. For example 14 gauge wire will become 12 gauge, 10 gauge will be 8 gauge, etc. Source: Mike Bishop’s book “How To Build A Traditional Ford Hot Rod ... Jan 14, 2014 · 02 Connect the voltmeter between the alternator's output (BAT) terminal and Ground. If voltage is 13.614.6 volts, the alternator is OK, but power isn't getting to the battery. Go to Step 03. If ... Just having done a fuel injection conversion on my engine, I think the real problem is the 1 wire alternator not being"excited" and charging until the rpms climb. This starves the computer and ignition of voltage, causing problems. ... 1 wire alternators are for hot rods that see the street all the time, not off road rigs IMO. ... how to check my sportybet customer id Jul 16, 2019 · It's that current that causes wires to get hot. To reduce the alternator's output current while driving to the shop, turn off everything electrical possible. You don't need the radio, heater fan, and air conditioning, and if you drive near highway speeds, the radiator fan won't turn on either. All those things get their power from the ... Feb 19, 2009 · Registered. Joined Aug 16, 2004. 2,866 Posts. #5 · Feb 19, 2009. then you may want to test each wire in the alternator harness for resistance. might have a corroded wire causing the battery feedback. possibly look into the voltage regulator too. So whether you need an alternator for your truck, hot rod, musclecar, sport compact, or audio competition vehicle, Powermaster gives you the power you need to get it started and keep it going. ... They include a one-wire lightweight racing alternator, a hard-coated deep-groove alternator and crank pulley, bracket kit, and a belt. The black ...chrysler hot rod 1 wire conversion alternator. mitsubishi eclipse 1 wire alternator. nippondenso 1 wire alternator. adjustable voltage alternators. Nov 17, 2009 · 2. Motor is just basic Crank, Water Pump, Tensioner, and Alternator on my serpentine belt. Super basic. 3. With the belt off the alternator spins very smooth. 4. Alternator charging cable goes to a 175 amp mega fuse, then to the starter solenoid where it shares a mounting bolt with the positive battery cable. 5. Jul 16, 2019 · It's that current that causes wires to get hot. To reduce the alternator's output current while driving to the shop, turn off everything electrical possible. You don't need the radio, heater fan, and air conditioning, and if you drive near highway speeds, the radiator fan won't turn on either. All those things get their power from the ... Mar 26, 2018 · Using the alternator in either instance requires no extra effort on the part of the end user. If you want to use it as a one wire, connect the charge wire to the battery and alternator and you’re done. If you wish to use the three-wire system, connect the charge wire, remove the black plug at the two-wire terminal location and plug in your ... Note that our 1-wire alternators 7127, 7139 and 7140 permits the use of a no charge warning/dashboard indicator light. To wire a warning light, remove the terminal plug cover and connect the #1 (Left terminal, looking from the back of the alternator) to the warning light wire. DO NOT wire #1 terminal directly to ignition “ON”: it either ... Jun 29, 2015 · Posted: Sun Jun 28, 2015 5:29 am Post subject: Re: 1 wire alternator: on the back of the alt, hook a heavy gauge wire to the positive post on the battery, or if you like to the hot wire coming from the battery to the starter at the starter, Please run an extra wire to ground the alt, there will be a small screw or bolt that go directly into the case of alt,ground that to engine block, I have ... Jul 29, 2004 · gage green wire with brown stripe paired with a yellow16 gage wire. The green/brown wire will connect to the alternator and operates the ALT light in the instrument cluster. I cut the Ford plug off and install a Weather Pack Connector on the green/brown wire. The yellow wire operates the horn and it is hot with the ignition on. Loosen Just having done a fuel injection conversion on my engine, I think the real problem is the 1 wire alternator not being"excited" and charging until the rpms climb. This starves the computer and ignition of voltage, causing problems. ... 1 wire alternators are for hot rods that see the street all the time, not off road rigs IMO. ...Hot Rod Wiring – Diagram. Please Note: This diagram was designed for 12 volt systems, but can also be used for 6 volt systems. If used for 6 volt, make all the wires heavier by 2 gauges. For example 14 gauge wire will become 12 gauge, 10 gauge will be 8 gauge, etc. Source: Mike Bishop’s book “How To Build A Traditional Ford Hot Rod ... Jun 15, 2017 · 1,180. Location. okla. 74021. 65 3 times said: I purchased a black powder coated tuff-stuff alternator that made three 1/8th mile passes and quit. Dave. I have a 130 amp , one wire on my 505, only wire on it goes to the relocated Chrysler rely-battery post. battery is in trunk. Jun 16, 2017. #8. The design places a lot of copper into a small space by using square magnet wire that can nest more tightly. Balmar uses this technology in its AT-165 and AT-200 series alternators. ... If the alternator gets to hot reduce Belt Load Manager and / or add some forced air cooling to the alternator, via ducting and blowers. Also, each alternator ...Sep 26, 2021 · If the alternator is still hot, it needs to be cooled down before touching any components. Turn off all accessories drawing power from your car's battery. Moreover, kindly wait until the alternator slows down or stops before you touch anything on it. Another method for fixing is to disconnect the wire that goes from the alternator to the battery. 1 wire Alternator gets super hot! The 1967 - 1972 Chevrolet & GMC Pickups Message Board. Register or Log In To remove these advertisements. The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks ...Jan 18, 2012 · If not the alternator then start following all the wiring from the alternator back to the battery, and look for anything abnormal. But sence the alternator is smoking when you hook up the other cars battery then you know that the power is getting to the alternator threw the wiring, so the wiring is probably fine. I still think alternator. CORRECT WIRE SIZE IS CRITICAL Alternator Rating Wire Size Available Kits 75 Amps 10 gauge High Output Alternator Wiring Kit 555 -10510 100 Amps 8 gauge 150 Amps 6 gauge 200 Amps 4 gauge It is very important to use the correct wire size to connect the alternator to the battery. A wire size too small can allow the wire to overheat, melt the ...My `03 Jetta 1st blew the fuse that is for the alternator, after replacing the bad fuse I noticed that the hot wire from the alt. To the battery was extremley hot, the rest of the positive wires that are fed out of the same fuse block are all handleable, I have already tested the atlernator and its charging fine at between 13 and 14 volts.Jan 14, 2014 · 02 Connect the voltmeter between the alternator's output (BAT) terminal and Ground. If voltage is 13.614.6 volts, the alternator is OK, but power isn't getting to the battery. Go to Step 03. If ... Jun 29, 2015 · Posted: Sun Jun 28, 2015 5:29 am Post subject: Re: 1 wire alternator: on the back of the alt, hook a heavy gauge wire to the positive post on the battery, or if you like to the hot wire coming from the battery to the starter at the starter, Please run an extra wire to ground the alt, there will be a small screw or bolt that go directly into the case of alt,ground that to engine block, I have ... Dec 13, 2012 · Upgrading your current alternator is one of the easiest bolt-on enhancements you can make to your musclecar, hot rod or even your daily driver. For any enthusiast who is handy with tools this is typically a simple upgrade on most cars. Not to leave you in suspense, we got a hold of Powermaster to get the inside scoop on choosing the correct ... Feb 04, 2010 · 111 Posts. #2 · Feb 4, 2010. Usually if a hot wire gets "hot" and starts glowing, smoking, catches fire, etc...it is because there is a wire on the positive side that is grounded. And it does not have to be directly in line to the alternator. Use a multi meter or gound test to see which hot wire is connected to ground. Feb 04, 2010 · 111 Posts. #2 · Feb 4, 2010. Usually if a hot wire gets "hot" and starts glowing, smoking, catches fire, etc...it is because there is a wire on the positive side that is grounded. And it does not have to be directly in line to the alternator. Use a multi meter or gound test to see which hot wire is connected to ground. Tn. Oct 24, 2019. #1. I have a 65 mustang 289. I'm installing a 1 wire 100amp alternator int/reg to replace the factory Alternator. What should I do with the wiring harness? I hooked both leads to The starter solenoid and taped the other 4 wires up. ( wires that went to the old alternator) all these wires came from the voltage regulator harness.Choose from the next three wires; one is called the field wire, connecting to the positive terminal. Ensure to put a primary on-off switch that's really necessary no doubt. Moreover, turn the switch on whenever starting the alternator. Please turn it off while the alternator is running. Leave the alternator off when it is not in use.Check the large power cable to the alternator and the fuse, usually, a large 40-60 amp fuse near the battery. Check the ground cable between the engine and the body. Check the serpentine belt and make sure the alternator is spinning with the engine. Check the small power supply wire and the charging light wire.I just converted my 1960 Falcon from a generator to a 1 wire alternator. I got some instructions from the man at the shop where I purchased the alternator. after everything was hooked up I noticed that my alt. light was on, without the key being on. I finally found the wire that was the problem...Aug 25, 2018 · The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1967 - 1972 Chevrolet & GMC Pickups Message Board: 1 wire Alternator gets super hot! Jan 14, 2014 · 02 Connect the voltmeter between the alternator's output (BAT) terminal and Ground. If voltage is 13.614.6 volts, the alternator is OK, but power isn't getting to the battery. Go to Step 03. If ... New Chrome Mini Alternator 1 Wire Self Exciting Compatible with Chevy Big Block Small Block BBC SBC Race Cars Hot Rods Street Rods 45 Amp 6.5 Pounds! 4.8 out of 5 stars 8. $95.80 $ 95. 80. Get it Wed, Jul 13 - Fri, Jul 15. FREE Shipping. Only 6 left in stock - order soon.Hi Everyone, Just finished up a family run on the 4th of July and noticed this morning the engine alternator on the starboard engine is real hot to the touch after engine off for 8-10 hours. Large battery charger in port engine room charging and also a little hot but not as bad as the alternator. 08-16-2010, 03:25 PM. Chevy Guy. Learning to use the forums. Join Date: Aug 2010. Posts: 8. Alternator gets hot with engine off. The alternator on my '06, 3.0L was getting hot with the engine shut off (eventually ran the battery down to zero). Since I suspected it was causing an annoying squeak anyway, I bought and installed a new alternator.This 11 volt module can be used to illuminate a charging system warning light.Discussion Starter · #1 · Aug 26, 2013. Recently picked up a 67 and am slowly fixing all the shortcuts. Im replacing the alternator and noticed some weird wiring. It had the main hot wire hooked up and then a plug that had one wire just cut off and the other running back to the main hot connection. My new alternator has a small square plug.Nov 20, 2013 · Simple, One-Wire Hook Up. As you might assume, the concept behind a one-wire alternator is that there is a single wire used to connect the alternator to the battery. The voltage regulator is internal, and there are no other wires that need to be connected to your electrical system. However, that doesn’t mean that you don’t need to have a ... Jun 15, 2017 · 1,180. Location. okla. 74021. 65 3 times said: I purchased a black powder coated tuff-stuff alternator that made three 1/8th mile passes and quit. Dave. I have a 130 amp , one wire on my 505, only wire on it goes to the relocated Chrysler rely-battery post. battery is in trunk. Jun 16, 2017. #8. Apr 06, 2021 · The battery is the most straightforward component; cars use a 12v DC battery. The other component is the alternator, a tiny electric generator that’s run by the serpentine belt. The alternator has two functions. First, it keeps the battery charged. Second, when the engine is running, it’s actually the alternator that runs all the electronics. Discussion Starter · #1 · Aug 26, 2013. Recently picked up a 67 and am slowly fixing all the shortcuts. Im replacing the alternator and noticed some weird wiring. It had the main hot wire hooked up and then a plug that had one wire just cut off and the other running back to the main hot connection. My new alternator has a small square plug.Jun 13, 2020 · Chevy One Wire Alternator Wiring Diagram. To properly read a electrical wiring diagram, one offers to learn how the particular components in the system operate. For instance , if a module is usually powered up and it sends out a new signal of half the voltage and the technician will not know this, he would think he has a challenge, as he would ... Sep 26, 2021 · If the alternator is still hot, it needs to be cooled down before touching any components. Turn off all accessories drawing power from your car's battery. Moreover, kindly wait until the alternator slows down or stops before you touch anything on it. Another method for fixing is to disconnect the wire that goes from the alternator to the battery. Just having done a fuel injection conversion on my engine, I think the real problem is the 1 wire alternator not being"excited" and charging until the rpms climb. This starves the computer and ignition of voltage, causing problems. ... 1 wire alternators are for hot rods that see the street all the time, not off road rigs IMO. ... clearway pain solutions milton fl The design places a lot of copper into a small space by using square magnet wire that can nest more tightly. Balmar uses this technology in its AT-165 and AT-200 series alternators. ... If the alternator gets to hot reduce Belt Load Manager and / or add some forced air cooling to the alternator, via ducting and blowers. Also, each alternator ...Joined Jul 19, 2009. 6,936 Posts. #4 · Feb 4, 2012. there is usually small wire (not the charging wire) one wire that hooks from the battery back to the alternator. the regulator uses the voltage on this wire to set charging system voltage. it sounds to me like you have high resistance on this wire, so in turn the alternator is cranking up the ...Feb 04, 2010 · 111 Posts. #2 · Feb 4, 2010. Usually if a hot wire gets "hot" and starts glowing, smoking, catches fire, etc...it is because there is a wire on the positive side that is grounded. And it does not have to be directly in line to the alternator. Use a multi meter or gound test to see which hot wire is connected to ground. Feb 06, 2017 · The average alternator output is around 13.8 volts and amperage dependent upon its rating; 90 amp alternator may have a peak output of 88 amps. I strongly suggest having the charging system tested for overcharging. An inspection performed by a qualified technician will help avoid replacing unnecessary parts. Sep 02, 2010 · Super Moderator. Joined Sep 20, 2000. 33,641 Posts. #4 · Sep 2, 2010. No, when key is the tumbler and the switch is in IGN position other than ACC, OFF, LOCKED, or START. If the two wires are swapped, battery voltage on the left spade can be making the alt hot. 1 - 4 of 4 Posts. Jul 16, 2019 · It's that current that causes wires to get hot. To reduce the alternator's output current while driving to the shop, turn off everything electrical possible. You don't need the radio, heater fan, and air conditioning, and if you drive near highway speeds, the radiator fan won't turn on either. All those things get their power from the ... If the ign terminal on the side of the alt (white wire) has battery power instead of ign power the alternator will be on all the time making it warm. It would also draw the battery down. If its truly a one wire alt eliminate the other 2 wires. 66panel, Feb 19, 2012 SHARE POST #5 bbr Member from MissouriJan 18, 2012 · If not the alternator then start following all the wiring from the alternator back to the battery, and look for anything abnormal. But sence the alternator is smoking when you hook up the other cars battery then you know that the power is getting to the alternator threw the wiring, so the wiring is probably fine. I still think alternator. Jul 08, 2012 · IF it is a 100 amp alternator, a 10ga wire is not heavy enough. A 10ga wire with 50 amps of current draw will be almost ready to melt the insulation after 15 minutes. I don't know if that helps. A single wire alternator has the regulator built in, so the only way it can sense the battery voltage is to keep resistance to a minimum. My 2 cts. Oct 12, 2009 · 5,110 Posts. #5 · Oct 12, 2009. I'm with Howler. Wires will melt because of a poor connection. Make sure you have the proper size ring terminal, use a wire brush to clean the alternator stud and nut. If you need to, use some copper washers underneath the ring terminal to help it seat properly, the factory connector is small and tabbed so that ... Joined Feb 6, 2004. 7,210 Posts. #2 · May 24, 2013. If it's getting hot with the ignition off in the one wire configuration I would think there is an internal problem with the alternator. If it was getting hot in the three wire configuration it might be mis-wired. With it being the same alternator I'm leaning towards an alternator problem.Nov 10, 2009 · And also connecting the hot lead wire to the hot terminal on the alt. (Your done at the alt.) Now at the voltage regulator. You have 4 wires with position 1-4 #1 Blue #2 White #3 Orange #4 brown Cut And splice the white and brown wire together. Position #4 & #2 Cut and connect #1 & #3 and connect them to the positive terminal on the Horn relay. Joined Feb 6, 2004. 7,210 Posts. #2 · May 24, 2013. If it's getting hot with the ignition off in the one wire configuration I would think there is an internal problem with the alternator. If it was getting hot in the three wire configuration it might be mis-wired. With it being the same alternator I'm leaning towards an alternator problem.Your alternator should not exceed 150C (302F). Beyond that the varnish on the wire may start melting and the diodes in the alternator will short out. 100C is boiling point of water. Alternators can handle a lot of heat. That is an INSANE range. The alt is well under engine temp so I guess its all good. 1 - 9 of 9 Posts Forums Tech Help ElectricalAlternator failure occurs when the battery condition is weak. You may face overcharging and overheated alternator due to a failed regulator. Driving at breakneck speeds on broken roads can cause battery cells to break down one by one. This causes the alternator wires to break. As a result, the alternator becomes overcharging.Sep 15, 2015 · If it gets above 14.6V you may have an issue, but if it gets to 15 or higher you're literally cooking your battery. If the voltage is good, next check the amperage being put into the battery. This will be harder to do but still possible. You'll need to use a loop around the alternator wire unless you choose to interrupt it and route it through ... Hot Rod Wiring – Diagram. Please Note: This diagram was designed for 12 volt systems, but can also be used for 6 volt systems. If used for 6 volt, make all the wires heavier by 2 gauges. For example 14 gauge wire will become 12 gauge, 10 gauge will be 8 gauge, etc. Source: Mike Bishop’s book “How To Build A Traditional Ford Hot Rod ... Jan 14, 2014 · 02 Connect the voltmeter between the alternator's output (BAT) terminal and Ground. If voltage is 13.614.6 volts, the alternator is OK, but power isn't getting to the battery. Go to Step 03. If ... And also connecting the hot lead wire to the hot terminal on the alt. (Your done at the alt.) Now at the voltage regulator. You have 4 wires with position 1-4 #1 Blue #2 White #3 Orange #4 brown Cut And splice the white and brown wire together. Position #4 & #2 Cut and connect #1 & #3 and connect them to the positive terminal on the Horn relay.visit: http://www.alternatorparts.comThe alternator is the source of power used to operate the ignition system, lighting, and other electrical system parts. And the parts will deliver best performance when operating at about 14 volts. The voltage regulator will always attempt to maintain the electrical system voltage at about 14 volts. But the original wire harness will feed power ... gage green wire with brown stripe paired with a yellow16 gage wire. The green/brown wire will connect to the alternator and operates the ALT light in the instrument cluster. I cut the Ford plug off and install a Weather Pack Connector on the green/brown wire. The yellow wire operates the horn and it is hot with the ignition on. LoosenBy monitor, get out and see if the rubber is melting or getting excessively HOT (alternator itself will cause a bunch of heat to enter the cable, you need to be concerned if it's ruining the integrity of the actual wire or not), but considering the nature of a possible car fire in the future, I'd have it towed and professionally inspected for ...ALSO BE SURE, you have a proper 10 gauge Ground From the ground lug at the alternator mount bolt, to your ground buss tie point at or near the starter. Poor ground bonding will cause tons of heat..and charging problems. If you don't have a ground buss set up you need to do that. Doc imp: Aftermarket Solutions Electronic & Electrical InnovationsNov 20, 2013 · One-wire alternators aren’t necessarily “better” than typical alternators of similar quality, the big benefit is the ease of installation. When you’re building a car and have to start from scratch with your electrical wiring, the one-wire alternator will save you a lot of hassle – and help to keep the engine compartment tidy. Nov 10, 2009 · And also connecting the hot lead wire to the hot terminal on the alt. (Your done at the alt.) Now at the voltage regulator. You have 4 wires with position 1-4 #1 Blue #2 White #3 Orange #4 brown Cut And splice the white and brown wire together. Position #4 & #2 Cut and connect #1 & #3 and connect them to the positive terminal on the Horn relay. Nov 10, 2013 · 1. measure voltage. if above 14.8ish, regulator is bad, and is running alternator wide open, resulting in excessive heat. Will very soon ruin your "brand new battery". 2. if voltage is below 12.6 when running, suspect bad diode 3. If voltage is between 13.2 and 14.8, disconnect exciter wire. Run alternator. Jun 19, 2021 · Actually if you have not added anything to the cars electrical system the 130 amp alt will only put out what the car and battery demand. So if you had a 40 amp alt on it and it kept the battery charged and supplied the electrical system on the car then the 130 will only put out about the same because as soon as it meets the cars electrical load ... Jul 29, 2004 · gage green wire with brown stripe paired with a yellow16 gage wire. The green/brown wire will connect to the alternator and operates the ALT light in the instrument cluster. I cut the Ford plug off and install a Weather Pack Connector on the green/brown wire. The yellow wire operates the horn and it is hot with the ignition on. Loosen Feb 19, 2009 · Registered. Joined Aug 16, 2004. 2,866 Posts. #5 · Feb 19, 2009. then you may want to test each wire in the alternator harness for resistance. might have a corroded wire causing the battery feedback. possibly look into the voltage regulator too. Feb 07, 2018 · Posted February 8, 2018. Lift the two wire connector -off- of the alternator. If you only have power on the one lead (the L one that goes right down to the Bat terminal) , then your good on that lead. Now put your light on the other one, should show power only when you turn the ignition On. If so, then that line is good. Joined Feb 6, 2004. 7,210 Posts. #2 · May 24, 2013. If it's getting hot with the ignition off in the one wire configuration I would think there is an internal problem with the alternator. If it was getting hot in the three wire configuration it might be mis-wired. With it being the same alternator I'm leaning towards an alternator problem.Jun 20, 2022 · The one-wire alternators usually need to be "excited" to a preset rpm (1800 - 2000) to begin charging upon each start. Also the one-wire (aka charging wire) should be of sufficient gauge according to the manufacturer (6 or 8ga.). As mentioned the voltmeter ga. is a necessary tool to chase electrical issues. Jul 08, 2012 · IF it is a 100 amp alternator, a 10ga wire is not heavy enough. A 10ga wire with 50 amps of current draw will be almost ready to melt the insulation after 15 minutes. I don't know if that helps. A single wire alternator has the regulator built in, so the only way it can sense the battery voltage is to keep resistance to a minimum. My 2 cts. Jun 20, 2022 · The one-wire alternators usually need to be "excited" to a preset rpm (1800 - 2000) to begin charging upon each start. Also the one-wire (aka charging wire) should be of sufficient gauge according to the manufacturer (6 or 8ga.). As mentioned the voltmeter ga. is a necessary tool to chase electrical issues. Discussion Starter · #1 · Aug 26, 2013. Recently picked up a 67 and am slowly fixing all the shortcuts. Im replacing the alternator and noticed some weird wiring. It had the main hot wire hooked up and then a plug that had one wire just cut off and the other running back to the main hot connection. My new alternator has a small square plug.Feb 18, 2019 · Jul 8, 2001. 23,782. Gallatin Tennessee. badazz81z28 said: All my wires were spliced together near the fire wall. That's how my new alternator is wired as well. If I was going to run a wire all the way from the alternator to the battery in the trunk I would just dike off the old wire closes to the large splice. Alternators are physically incapable of developing more output current than they are designed for, so the only way for that output wire to get hot is if someone replaced the original alternator with some other unit that is capable of a lot more current, or it has at least two shorted diodes of the six, and that is creating a direct short to ground.Jan 14, 2014 · 02 Connect the voltmeter between the alternator's output (BAT) terminal and Ground. If voltage is 13.614.6 volts, the alternator is OK, but power isn't getting to the battery. Go to Step 03. If ... One-wire alternators are also a good choice when converting an old car or truck from 6-volts to 12-volts . They are often used to replace generators in old trucks and farm machines. One-wire alternators are small, inexpensive and very easy to wire in. They'll also do away with an external voltage regulator, as they have an internal regulator.Mar 26, 2018 · Using the alternator in either instance requires no extra effort on the part of the end user. If you want to use it as a one wire, connect the charge wire to the battery and alternator and you’re done. If you wish to use the three-wire system, connect the charge wire, remove the black plug at the two-wire terminal location and plug in your ... May 14, 2011 · Make it big. If you are installing a 130A alternator increase your wire size from the alternator to the solonid. 10 ga wire is only rated at 30 amps 8 ga 55 amps. By the charts you need a #2 wire for 130 amps. (or you could use 2 of the #8 or #6-75amp) Do yourself a favor and get a piece of welding cable. visit: http://www.alternatorparts.com Alternator failure occurs when the battery condition is weak. You may face overcharging and overheated alternator due to a failed regulator. Driving at breakneck speeds on broken roads can cause battery cells to break down one by one. This causes the alternator wires to break. As a result, the alternator becomes overcharging.Sep 15, 2015 · If it gets above 14.6V you may have an issue, but if it gets to 15 or higher you're literally cooking your battery. If the voltage is good, next check the amperage being put into the battery. This will be harder to do but still possible. You'll need to use a loop around the alternator wire unless you choose to interrupt it and route it through ... Jul 16, 2019 · It's that current that causes wires to get hot. To reduce the alternator's output current while driving to the shop, turn off everything electrical possible. You don't need the radio, heater fan, and air conditioning, and if you drive near highway speeds, the radiator fan won't turn on either. All those things get their power from the ... Nov 20, 2013 · Simple, One-Wire Hook Up. As you might assume, the concept behind a one-wire alternator is that there is a single wire used to connect the alternator to the battery. The voltage regulator is internal, and there are no other wires that need to be connected to your electrical system. However, that doesn’t mean that you don’t need to have a ... Jun 13, 2020 · Chevy One Wire Alternator Wiring Diagram. To properly read a electrical wiring diagram, one offers to learn how the particular components in the system operate. For instance , if a module is usually powered up and it sends out a new signal of half the voltage and the technician will not know this, he would think he has a challenge, as he would ... Jul 16, 2019 · It's that current that causes wires to get hot. To reduce the alternator's output current while driving to the shop, turn off everything electrical possible. You don't need the radio, heater fan, and air conditioning, and if you drive near highway speeds, the radiator fan won't turn on either. All those things get their power from the ... Jan 14, 2014 · 02 Connect the voltmeter between the alternator's output (BAT) terminal and Ground. If voltage is 13.614.6 volts, the alternator is OK, but power isn't getting to the battery. Go to Step 03. If ... 08-16-2010, 03:25 PM. Chevy Guy. Learning to use the forums. Join Date: Aug 2010. Posts: 8. Alternator gets hot with engine off. The alternator on my '06, 3.0L was getting hot with the engine shut off (eventually ran the battery down to zero). Since I suspected it was causing an annoying squeak anyway, I bought and installed a new alternator.Yes alternators give off heat, they have an internal fan to cool it. The will get too hot to touch after running a while. I would test the voltage at the battery with a meter, should be around 12 V. A good test is at 1500 rpm, headlights, heater fan and radio on, should hold around 14 V. bfranklin88 08-06-2009, 03:14 PM6,753 Posts. #5 · Dec 7, 2020. The 3G internal regulator alternator is a better option than a true "one wire" alternator. I too had to deal with the squeal. I solved the problem with dual belt pulleys from CVF Racing. It was easy to replace the serpentine pulley on the 3G alternator with the dual groove.Jun 19, 2021 · Actually if you have not added anything to the cars electrical system the 130 amp alt will only put out what the car and battery demand. So if you had a 40 amp alt on it and it kept the battery charged and supplied the electrical system on the car then the 130 will only put out about the same because as soon as it meets the cars electrical load ... Jan 14, 2014 · 02 Connect the voltmeter between the alternator's output (BAT) terminal and Ground. If voltage is 13.614.6 volts, the alternator is OK, but power isn't getting to the battery. Go to Step 03. If ... This is a three-wire alternating wiring diagram showing the connections between the different components of a circuit. The circuit comprises three main wires: battery positive cable, voltage sensing wire, and ignition wire. The ignition input wire is attached to the engine. It conducts electricity from the engine to the alternator while the ...canuck1. I think alternators can get pretty hot when called on to charge a low battery. A FULLY charged 12v automotive battery runs around 13.6v (most battery tender type automatic chargers will trickle charge if battery drops below this voltage). 11.5v is low. The alternator is working to bring it back up to full voltage.Jul 10, 2007. Location: LAPORTE, INDIANA. Local Time: 5:02 PM. I have a power master mini alternator that gets hot when engine is not running. It's a one wire design. Nothing else is on like electric fan or similar. After turning on master disconnect switch the casing will be hot to the touch in several minutes. hymnal book songs The alternator charges fine, it puts out about 14 volts. It is the second rebuilt alt on the car since the rewire job (the first smoked out.) The large red wire goes to the starter, the #2 red wire goes to the same post on the back of the alternator as the large red wire, and the #1 brown wire goes up under the dash. What can cause this?Feb 18, 2019 · Jul 8, 2001. 23,782. Gallatin Tennessee. badazz81z28 said: All my wires were spliced together near the fire wall. That's how my new alternator is wired as well. If I was going to run a wire all the way from the alternator to the battery in the trunk I would just dike off the old wire closes to the large splice. Jun 11, 2012 · I just converted my 1960 Falcon from a generator to a 1 wire alternator. I got some instructions from the man at the shop where I purchased the alternator. after everything was hooked up I noticed that my alt. light was on, without the key being on. I finally found the wire that was the problem... Dec 07, 2020 · 6,753 Posts. #5 · Dec 7, 2020. The 3G internal regulator alternator is a better option than a true "one wire" alternator. I too had to deal with the squeal. I solved the problem with dual belt pulleys from CVF Racing. It was easy to replace the serpentine pulley on the 3G alternator with the dual groove. The alternator charges fine, it puts out about 14 volts. It is the second rebuilt alt on the car since the rewire job (the first smoked out.) The large red wire goes to the starter, the #2 red wire goes to the same post on the back of the alternator as the large red wire, and the #1 brown wire goes up under the dash. What can cause this?This is the IGN wire that should be 12V when the key is in the ON position. * White/Green stripe. This is the Field wire. This wire should be around 12V as long as the battery is below 13.6V. This wire "regulates" the output from The alternator. * White/Black stripe. This is the ground wire. Not important at this moment.Oct 13, 2009 · If the wiring diagram in above link applies, alternator should have 2 white wires, one black/yellow and one yellow wire, a total of 4 wires at alternator. Blk/Yel is hot in Run and Start, Yellow is hot in Run. If either is hot (voltage present) with key switch off, could be faulty ignition switch. Apr 09, 2010 · canuck1. I think alternators can get pretty hot when called on to charge a low battery. A FULLY charged 12v automotive battery runs around 13.6v (most battery tender type automatic chargers will trickle charge if battery drops below this voltage). 11.5v is low. The alternator is working to bring it back up to full voltage. New Mini Alternator 1 Wire Hook up for Race Cars Hot Rods 6.5 LBS! 12 Volt 45 Amp Compact Frame for Racing Applications 12180NSE 1002111660 1002111661 1002111662 04412972 2706078001 270607800171 ... Get it as soon as Tomorrow, Apr 5. FREE Shipping. New GM 1 Wire Self Exciting Alternator 12 Volt 120A! Low Turn on Speed Delco 10SI Style for ...Using the alternator in either instance requires no extra effort on the part of the end user. If you want to use it as a one wire, connect the charge wire to the battery and alternator and you're done. If you wish to use the three-wire system, connect the charge wire, remove the black plug at the two-wire terminal location and plug in your ...Alternators are physically incapable of developing more output current than they are designed for, so the only way for that output wire to get hot is if someone replaced the original alternator with some other unit that is capable of a lot more current, or it has at least two shorted diodes of the six, and that is creating a direct short to ground.Hot Rod Wiring – Diagram. Please Note: This diagram was designed for 12 volt systems, but can also be used for 6 volt systems. If used for 6 volt, make all the wires heavier by 2 gauges. For example 14 gauge wire will become 12 gauge, 10 gauge will be 8 gauge, etc. Source: Mike Bishop’s book “How To Build A Traditional Ford Hot Rod ... Mar 02, 2009 · It is running hot to the touch. It's putting out 14.7 volts and never drops down untill I disconnect the plug in the back of the alternator which made it drop down to 12.5 volts.Then the alternator cools down. Jul 18, 2022 · The only thing you need to hook up on a one-wire alternator is a charge wire from the terminal on the alternator to the positive terminal on the battery (or any positive battery source). The external regulator can either be totally dismantled from the firewall or left in place. If left in place, be sure to disconnect the wiring harness from the ... Aug 25, 2018 · The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1967 - 1972 Chevrolet & GMC Pickups Message Board: 1 wire Alternator gets super hot! If the ign terminal on the side of the alt (white wire) has battery power instead of ign power the alternator will be on all the time making it warm. It would also draw the battery down. If its truly a one wire alt eliminate the other 2 wires. 66panel, Feb 19, 2012 SHARE POST #5 bbr Member from MissouriThe alternator wire gets very hot and it melted the top of my battery. I replaced the megafuse the battery and the alternator and it still gets very hot. You can feel the bolt that goes thru the plastic case that holds the megafuse and the bolt will hurt to touch. My car has 60000 miles. My car has an automatic transmission.Nov 17, 2009 · 2. Motor is just basic Crank, Water Pump, Tensioner, and Alternator on my serpentine belt. Super basic. 3. With the belt off the alternator spins very smooth. 4. Alternator charging cable goes to a 175 amp mega fuse, then to the starter solenoid where it shares a mounting bolt with the positive battery cable. 5. Alternator failure occurs when the battery condition is weak. You may face overcharging and overheated alternator due to a failed regulator. Driving at breakneck speeds on broken roads can cause battery cells to break down one by one. This causes the alternator wires to break. As a result, the alternator becomes overcharging.This is a three-wire alternating wiring diagram showing the connections between the different components of a circuit. The circuit comprises three main wires: battery positive cable, voltage sensing wire, and ignition wire. The ignition input wire is attached to the engine. It conducts electricity from the engine to the alternator while the ...Jul 16, 2019 · It's that current that causes wires to get hot. To reduce the alternator's output current while driving to the shop, turn off everything electrical possible. You don't need the radio, heater fan, and air conditioning, and if you drive near highway speeds, the radiator fan won't turn on either. All those things get their power from the ... Feb 19, 2012 · If the ign terminal on the side of the alt (white wire) has battery power instead of ign power the alternator will be on all the time making it warm. It would also draw the battery down. If its truly a one wire alt eliminate the other 2 wires. 66panel, Feb 19, 2012 SHARE POST #5 bbr Member from Missouri New Chrome Mini Alternator 1 Wire Self Exciting Compatible with Chevy Big Block Small Block BBC SBC Race Cars Hot Rods Street Rods 45 Amp 6.5 Pounds! 4.8 out of 5 stars 8. $95.80 $ 95. 80. Get it Wed, Jul 13 - Fri, Jul 15. FREE Shipping. Only 6 left in stock - order soon.Jun 13, 2020 · Chevy One Wire Alternator Wiring Diagram. To properly read a electrical wiring diagram, one offers to learn how the particular components in the system operate. For instance , if a module is usually powered up and it sends out a new signal of half the voltage and the technician will not know this, he would think he has a challenge, as he would ... pitbull shaver review Answer (1 of 8): When I diagnose a car that is "eating" alternators, it always comes down to one of three things. 1. A bad battery. The alternator is constantly working hard to charge a battery that will not top off…usually due to an interior short. 2. High draw add on equipment. A big audio sys...And also connecting the hot lead wire to the hot terminal on the alt. (Your done at the alt.) Now at the voltage regulator. You have 4 wires with position 1-4 #1 Blue #2 White #3 Orange #4 brown Cut And splice the white and brown wire together. Position #4 & #2 Cut and connect #1 & #3 and connect them to the positive terminal on the Horn relay.Posted: Sun Jun 28, 2015 5:29 am Post subject: Re: 1 wire alternator: on the back of the alt, hook a heavy gauge wire to the positive post on the battery, or if you like to the hot wire coming from the battery to the starter at the starter, Please run an extra wire to ground the alt, there will be a small screw or bolt that go directly into the case of alt,ground that to engine block, I have ...The one you currently have is obviously not a one-wire alternator. It has three wires. It should work fine the way it is. The replacement, true one-wire alternator will have only one connection. That red wire that's currently there from the alt Batt post to the battery plus side of the solenoid should be all you need.Nov 20, 2013 · One-wire alternators aren’t necessarily “better” than typical alternators of similar quality, the big benefit is the ease of installation. When you’re building a car and have to start from scratch with your electrical wiring, the one-wire alternator will save you a lot of hassle – and help to keep the engine compartment tidy. Nov 10, 2013 · 1. measure voltage. if above 14.8ish, regulator is bad, and is running alternator wide open, resulting in excessive heat. Will very soon ruin your "brand new battery". 2. if voltage is below 12.6 when running, suspect bad diode 3. If voltage is between 13.2 and 14.8, disconnect exciter wire. Run alternator. i just replaced my alternator... i just replaced my alternator as the wire in my fuse box located on top of the battery in my 2005 jetta gets very hot and starts to melt the box and my new alternator is not readind the right ampage the parts place told me that this problem is what made my alternator go bad it is the first wire from left to ...May 14, 2011 · Make it big. If you are installing a 130A alternator increase your wire size from the alternator to the solonid. 10 ga wire is only rated at 30 amps 8 ga 55 amps. By the charts you need a #2 wire for 130 amps. (or you could use 2 of the #8 or #6-75amp) Do yourself a favor and get a piece of welding cable. So whether you need an alternator for your truck, hot rod, musclecar, sport compact, or audio competition vehicle, Powermaster gives you the power you need to get it started and keep it going. ... They include a one-wire lightweight racing alternator, a hard-coated deep-groove alternator and crank pulley, bracket kit, and a belt. The black ...Hi Everyone, Just finished up a family run on the 4th of July and noticed this morning the engine alternator on the starboard engine is real hot to the touch after engine off for 8-10 hours. Large battery charger in port engine room charging and also a little hot but not as bad as the alternator. Your alternator should not exceed 150C (302F). Beyond that the varnish on the wire may start melting and the diodes in the alternator will short out. 100C is boiling point of water. Alternators can handle a lot of heat. That is an INSANE range. The alt is well under engine temp so I guess its all good. 1 - 9 of 9 Posts Forums Tech Help ElectricalMy `03 Jetta 1st blew the fuse that is for the alternator, after replacing the bad fuse I noticed that the hot wire from the alt. To the battery was extremley hot, the rest of the positive wires that are fed out of the same fuse block are all handleable, I have already tested the atlernator and its charging fine at between 13 and 14 volts.Note that our 1-wire alternators 7127, 7139 and 7140 permits the use of a no charge warning/dashboard indicator light. To wire a warning light, remove the terminal plug cover and connect the #1 (Left terminal, looking from the back of the alternator) to the warning light wire. DO NOT wire #1 terminal directly to ignition “ON”: it either ... Apr 06, 2021 · The battery is the most straightforward component; cars use a 12v DC battery. The other component is the alternator, a tiny electric generator that’s run by the serpentine belt. The alternator has two functions. First, it keeps the battery charged. Second, when the engine is running, it’s actually the alternator that runs all the electronics. Apr 09, 2010 · canuck1. I think alternators can get pretty hot when called on to charge a low battery. A FULLY charged 12v automotive battery runs around 13.6v (most battery tender type automatic chargers will trickle charge if battery drops below this voltage). 11.5v is low. The alternator is working to bring it back up to full voltage. If the alternator is still hot, it needs to be cooled down before touching any components. Turn off all accessories drawing power from your car's battery. Moreover, kindly wait until the alternator slows down or stops before you touch anything on it. Another method for fixing is to disconnect the wire that goes from the alternator to the battery.Just having done a fuel injection conversion on my engine, I think the real problem is the 1 wire alternator not being"excited" and charging until the rpms climb. This starves the computer and ignition of voltage, causing problems. ... 1 wire alternators are for hot rods that see the street all the time, not off road rigs IMO. ...Choose from the next three wires; one is called the field wire, connecting to the positive terminal. Ensure to put a primary on-off switch that's really necessary no doubt. Moreover, turn the switch on whenever starting the alternator. Please turn it off while the alternator is running. Leave the alternator off when it is not in use.canuck1. I think alternators can get pretty hot when called on to charge a low battery. A FULLY charged 12v automotive battery runs around 13.6v (most battery tender type automatic chargers will trickle charge if battery drops below this voltage). 11.5v is low. The alternator is working to bring it back up to full voltage.This 11 volt module can be used to illuminate a charging system warning light.By monitor, get out and see if the rubber is melting or getting excessively HOT (alternator itself will cause a bunch of heat to enter the cable, you need to be concerned if it's ruining the integrity of the actual wire or not), but considering the nature of a possible car fire in the future, I'd have it towed and professionally inspected for ...6,753 Posts. #5 · Dec 7, 2020. The 3G internal regulator alternator is a better option than a true "one wire" alternator. I too had to deal with the squeal. I solved the problem with dual belt pulleys from CVF Racing. It was easy to replace the serpentine pulley on the 3G alternator with the dual groove.Jul 10, 2007. Location: LAPORTE, INDIANA. Local Time: 5:02 PM. I have a power master mini alternator that gets hot when engine is not running. It's a one wire design. Nothing else is on like electric fan or similar. After turning on master disconnect switch the casing will be hot to the touch in several minutes.Jan 14, 2014 · 02 Connect the voltmeter between the alternator's output (BAT) terminal and Ground. If voltage is 13.614.6 volts, the alternator is OK, but power isn't getting to the battery. Go to Step 03. If ... Apr 03, 2010 · The 1-wire alts by design ar not a good choice. Stick with a 3 wire like a CS144 or CS130 and just convert to an internally regulated system. If I remember right, from the harness side of the regulator plug-in you have now, the yellow and orange leads get capped seperately while the blue and brown get spliced together. New Mini Alternator 1 Wire Hook up for Race Cars Hot Rods 6.5 LBS! 12 Volt 45 Amp Compact Frame for Racing Applications 12180NSE 1002111660 1002111661 1002111662 04412972 2706078001 270607800171 ... Get it as soon as Tomorrow, Apr 5. FREE Shipping. New GM 1 Wire Self Exciting Alternator 12 Volt 120A! Low Turn on Speed Delco 10SI Style for ...Apr 06, 2021 · The battery is the most straightforward component; cars use a 12v DC battery. The other component is the alternator, a tiny electric generator that’s run by the serpentine belt. The alternator has two functions. First, it keeps the battery charged. Second, when the engine is running, it’s actually the alternator that runs all the electronics. #1 terminal to activate the alternator. With this setup the alternator starts charging as soon as the engine is running Three-wire Alternator: This setup uses a battery wire, ignition/warning light wire and voltage sensing wire, Three wires. Voltage sensing is used when you want the alternator to read voltage at some other point than the battery.Note that our 1-wire alternators 7127, 7139 and 7140 permits the use of a no charge warning/dashboard indicator light. To wire a warning light, remove the terminal plug cover and connect the #1 (Left terminal, looking from the back of the alternator) to the warning light wire. DO NOT wire #1 terminal directly to ignition "ON": it either ...Mar 26, 2018 · Using the alternator in either instance requires no extra effort on the part of the end user. If you want to use it as a one wire, connect the charge wire to the battery and alternator and you’re done. If you wish to use the three-wire system, connect the charge wire, remove the black plug at the two-wire terminal location and plug in your ... Feb 07, 2018 · Posted February 8, 2018. Lift the two wire connector -off- of the alternator. If you only have power on the one lead (the L one that goes right down to the Bat terminal) , then your good on that lead. Now put your light on the other one, should show power only when you turn the ignition On. If so, then that line is good. 1 wire Alternator gets super hot! The 1967 - 1972 Chevrolet & GMC Pickups Message Board. Register or Log In To remove these advertisements. The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks ...I just converted my 1960 Falcon from a generator to a 1 wire alternator. I got some instructions from the man at the shop where I purchased the alternator. after everything was hooked up I noticed that my alt. light was on, without the key being on. I finally found the wire that was the problem...I just converted my 1960 Falcon from a generator to a 1 wire alternator. I got some instructions from the man at the shop where I purchased the alternator. after everything was hooked up I noticed that my alt. light was on, without the key being on. I finally found the wire that was the problem...Nov 20, 2013 · Simple, One-Wire Hook Up. As you might assume, the concept behind a one-wire alternator is that there is a single wire used to connect the alternator to the battery. The voltage regulator is internal, and there are no other wires that need to be connected to your electrical system. However, that doesn’t mean that you don’t need to have a ... New Mini Alternator 1 Wire Hook up for Race Cars Hot Rods 6.5 LBS! 12 Volt 45 Amp Compact Frame for Racing Applications 12180NSE 1002111660 1002111661 1002111662 04412972 2706078001 270607800171 ... Get it as soon as Tomorrow, Apr 5. FREE Shipping. New GM 1 Wire Self Exciting Alternator 12 Volt 120A! Low Turn on Speed Delco 10SI Style for ...Nov 02, 2021 · Joined Mar 6, 2001. 41,851 Posts. #3 · Nov 2, 2021. umangu_4819 said: Hi Guys, In my 1966 mustang, I am replacing the stock alternator with a 100 amp alternator. It can be wired 1 wire or 3 wire. I want to use the 1 wire style as my voltage regulator is also suspect. My ammeter works, it is stock since 1966. 08-16-2010, 03:25 PM. Chevy Guy. Learning to use the forums. Join Date: Aug 2010. Posts: 8. Alternator gets hot with engine off. The alternator on my '06, 3.0L was getting hot with the engine shut off (eventually ran the battery down to zero). Since I suspected it was causing an annoying squeak anyway, I bought and installed a new alternator.Apr 09, 2010 · canuck1. I think alternators can get pretty hot when called on to charge a low battery. A FULLY charged 12v automotive battery runs around 13.6v (most battery tender type automatic chargers will trickle charge if battery drops below this voltage). 11.5v is low. The alternator is working to bring it back up to full voltage. Sep 12, 2016 · Changing the pulley ratio on the alternator by slowing it down will generally keep a one-wire regulator from charging. This can also produce a low voltage problem at engine idle speed depending on the amount of reduction. Alternators are usually tested with a 3:1 pulley ratio. This is the recommended street pulley ratio and is used in most ... when you replace a alternator make sure battery is fully charged 1275 hydrometer reading on all cells. alternators will get hot. if you purchased from a cheap auto parts store with the lifetime warranty youll find out you purchased a life time of changing substandard parts (and they only replace 3 times)i would suggest you take it to a local …5,110 Posts. #5 · Oct 12, 2009. I'm with Howler. Wires will melt because of a poor connection. Make sure you have the proper size ring terminal, use a wire brush to clean the alternator stud and nut. If you need to, use some copper washers underneath the ring terminal to help it seat properly, the factory connector is small and tabbed so that ...ALSO BE SURE, you have a proper 10 gauge Ground From the ground lug at the alternator mount bolt, to your ground buss tie point at or near the starter. Poor ground bonding will cause tons of heat..and charging problems. If you don't have a ground buss set up you need to do that. Doc imp: Aftermarket Solutions Electronic & Electrical Innovationsvisit: http://www.alternatorparts.com The one you currently have is obviously not a one-wire alternator. It has three wires. It should work fine the way it is. The replacement, true one-wire alternator will have only one connection. That red wire that's currently there from the alt Batt post to the battery plus side of the solenoid should be all you need.1. measure voltage. if above 14.8ish, regulator is bad, and is running alternator wide open, resulting in excessive heat. Will very soon ruin your "brand new battery". 2. if voltage is below 12.6 when running, suspect bad diode 3. If voltage is between 13.2 and 14.8, disconnect exciter wire. Run alternator.Call For Price: 800-331-6562. See Details. Alternator 100 AMP OEM Or 1 Wire 6 Groove Pulley Polished 12 Clocking 7127NDP6G12 New 698252018302. Product Features 6 Groove Pulley Polished Aluminum Finish Made In The U.S.A. Clocked-Right; Direct-Fit; No Hassle Installation. Item #: 7127NDP6G12 Tuff Stuff Performance.Feb 19, 2012 · If the ign terminal on the side of the alt (white wire) has battery power instead of ign power the alternator will be on all the time making it warm. It would also draw the battery down. If its truly a one wire alt eliminate the other 2 wires. 66panel, Feb 19, 2012 SHARE POST #5 bbr Member from Missouri The alternator charges fine, it puts out about 14 volts. It is the second rebuilt alt on the car since the rewire job (the first smoked out.) The large red wire goes to the starter, the #2 red wire goes to the same post on the back of the alternator as the large red wire, and the #1 brown wire goes up under the dash. What can cause this? when you replace a alternator make sure battery is fully charged 1275 hydrometer reading on all cells. alternators will get hot. if you purchased from a cheap auto parts store with the lifetime warranty youll find out you purchased a life time of changing substandard parts (and they only replace 3 times)i would suggest you take it to a local …New Chrome Mini Alternator 1 Wire Self Exciting Compatible with Chevy Big Block Small Block BBC SBC Race Cars Hot Rods Street Rods 45 Amp 6.5 Pounds! 4.8 out of 5 stars 8. $95.80 $ 95. 80. Get it Wed, Jul 13 - Fri, Jul 15. FREE Shipping. Only 6 left in stock - order soon.Feb 07, 2018 · Posted February 8, 2018. Lift the two wire connector -off- of the alternator. If you only have power on the one lead (the L one that goes right down to the Bat terminal) , then your good on that lead. Now put your light on the other one, should show power only when you turn the ignition On. If so, then that line is good. Discussion Starter · #1 · Aug 26, 2013. Recently picked up a 67 and am slowly fixing all the shortcuts. Im replacing the alternator and noticed some weird wiring. It had the main hot wire hooked up and then a plug that had one wire just cut off and the other running back to the main hot connection. My new alternator has a small square plug.Feb 07, 2018 · Posted February 8, 2018. Lift the two wire connector -off- of the alternator. If you only have power on the one lead (the L one that goes right down to the Bat terminal) , then your good on that lead. Now put your light on the other one, should show power only when you turn the ignition On. If so, then that line is good. Feb 19, 2009 · Registered. Joined Aug 16, 2004. 2,866 Posts. #5 · Feb 19, 2009. then you may want to test each wire in the alternator harness for resistance. might have a corroded wire causing the battery feedback. possibly look into the voltage regulator too. Joined Jul 19, 2009. 6,936 Posts. #4 · Feb 4, 2012. there is usually small wire (not the charging wire) one wire that hooks from the battery back to the alternator. the regulator uses the voltage on this wire to set charging system voltage. it sounds to me like you have high resistance on this wire, so in turn the alternator is cranking up the ...Nov 17, 2009 · 2. Motor is just basic Crank, Water Pump, Tensioner, and Alternator on my serpentine belt. Super basic. 3. With the belt off the alternator spins very smooth. 4. Alternator charging cable goes to a 175 amp mega fuse, then to the starter solenoid where it shares a mounting bolt with the positive battery cable. 5. Discussion Starter · #1 · Aug 26, 2013. Recently picked up a 67 and am slowly fixing all the shortcuts. Im replacing the alternator and noticed some weird wiring. It had the main hot wire hooked up and then a plug that had one wire just cut off and the other running back to the main hot connection. My new alternator has a small square plug.Feb 06, 2017 · The average alternator output is around 13.8 volts and amperage dependent upon its rating; 90 amp alternator may have a peak output of 88 amps. I strongly suggest having the charging system tested for overcharging. An inspection performed by a qualified technician will help avoid replacing unnecessary parts. Check the large power cable to the alternator and the fuse, usually, a large 40-60 amp fuse near the battery. Check the ground cable between the engine and the body. Check the serpentine belt and make sure the alternator is spinning with the engine. Check the small power supply wire and the charging light wire.The alternator charges fine, it puts out about 14 volts. It is the second rebuilt alt on the car since the rewire job (the first smoked out.) The large red wire goes to the starter, the #2 red wire goes to the same post on the back of the alternator as the large red wire, and the #1 brown wire goes up under the dash. What can cause this?Jul 18, 2022 · The only thing you need to hook up on a one-wire alternator is a charge wire from the terminal on the alternator to the positive terminal on the battery (or any positive battery source). The external regulator can either be totally dismantled from the firewall or left in place. If left in place, be sure to disconnect the wiring harness from the ... Hi Everyone, Just finished up a family run on the 4th of July and noticed this morning the engine alternator on the starboard engine is real hot to the touch after engine off for 8-10 hours. Large battery charger in port engine room charging and also a little hot but not as bad as the alternator. Jul 08, 2012 · IF it is a 100 amp alternator, a 10ga wire is not heavy enough. A 10ga wire with 50 amps of current draw will be almost ready to melt the insulation after 15 minutes. I don't know if that helps. A single wire alternator has the regulator built in, so the only way it can sense the battery voltage is to keep resistance to a minimum. My 2 cts. visit: http://www.alternatorparts.com Using the alternator in either instance requires no extra effort on the part of the end user. If you want to use it as a one wire, connect the charge wire to the battery and alternator and you're done. If you wish to use the three-wire system, connect the charge wire, remove the black plug at the two-wire terminal location and plug in your ...Posted: Sun Jun 28, 2015 5:29 am Post subject: Re: 1 wire alternator: on the back of the alt, hook a heavy gauge wire to the positive post on the battery, or if you like to the hot wire coming from the battery to the starter at the starter, Please run an extra wire to ground the alt, there will be a small screw or bolt that go directly into the case of alt,ground that to engine block, I have ...when you replace a alternator make sure battery is fully charged 1275 hydrometer reading on all cells. alternators will get hot. if you purchased from a cheap auto parts store with the lifetime warranty youll find out you purchased a life time of changing substandard parts (and they only replace 3 times)i would suggest you take it to a local …When one-wire alternators first came out, those were valid concerns: low output at idle meant sitting at a light with headlights and stereo blasting wasn't good for the electrical system or the battery. Some alternators required revving the engine to a certain RPM in order to excite the alternator so it would turn on and start charging.Feb 07, 2018 · Posted February 8, 2018. Lift the two wire connector -off- of the alternator. If you only have power on the one lead (the L one that goes right down to the Bat terminal) , then your good on that lead. Now put your light on the other one, should show power only when you turn the ignition On. If so, then that line is good. Jul 10, 2007. Location: LAPORTE, INDIANA. Local Time: 5:02 PM. I have a power master mini alternator that gets hot when engine is not running. It's a one wire design. Nothing else is on like electric fan or similar. After turning on master disconnect switch the casing will be hot to the touch in several minutes.Aug 25, 2018 · The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1967 - 1972 Chevrolet & GMC Pickups Message Board: 1 wire Alternator gets super hot! Hot Rod Alternators in-stock with same-day shipping. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday. GIFT CARDS. DEALS. TRACK ORDER ... gm 1 wire alternator Ford alternator 7068K alternator 140 amp chevy one wire alternator for ford 1 w,ire alternator 1 wire alternator for 1957 ford 100 amp 1 wire cs130 alternators 1 wire ford alt ...The one you currently have is obviously not a one-wire alternator. It has three wires. It should work fine the way it is. The replacement, true one-wire alternator will have only one connection. That red wire that's currently there from the alt Batt post to the battery plus side of the solenoid should be all you need.With the belt off the alternator spins very smooth. 4. Alternator charging cable goes to a 175 amp mega fuse, then to the starter solenoid where it shares a mounting bolt with the positive battery cable. 5. Alternator seems to be grounded just fine. 6. I've checked and rechecked my wiring schematic and I think I'm fine.#1 terminal to activate the alternator. With this setup the alternator starts charging as soon as the engine is running Three-wire Alternator: This setup uses a battery wire, ignition/warning light wire and voltage sensing wire, Three wires. Voltage sensing is used when you want the alternator to read voltage at some other point than the battery.The one you currently have is obviously not a one-wire alternator. It has three wires. It should work fine the way it is. The replacement, true one-wire alternator will have only one connection. That red wire that's currently there from the alt Batt post to the battery plus side of the solenoid should be all you need.5,110 Posts. #5 · Oct 12, 2009. I'm with Howler. Wires will melt because of a poor connection. Make sure you have the proper size ring terminal, use a wire brush to clean the alternator stud and nut. If you need to, use some copper washers underneath the ring terminal to help it seat properly, the factory connector is small and tabbed so that ...Answer (1 of 8): When I diagnose a car that is "eating" alternators, it always comes down to one of three things. 1. A bad battery. The alternator is constantly working hard to charge a battery that will not top off…usually due to an interior short. 2. High draw add on equipment. A big audio sys...gage green wire with brown stripe paired with a yellow16 gage wire. The green/brown wire will connect to the alternator and operates the ALT light in the instrument cluster. I cut the Ford plug off and install a Weather Pack Connector on the green/brown wire. The yellow wire operates the horn and it is hot with the ignition on. LoosenThe voltage regulator which is internal to the alternator uses a grounding system to regulate output voltage. In other words as the voltage goes high it uses contacts that send it to ground. If these contacts stick it sends battery voltage to ground all the time, hence HOT feel to alternator. Usually kills a battery. Philip AdministratorJoined Feb 6, 2004. 7,210 Posts. #2 · May 24, 2013. If it's getting hot with the ignition off in the one wire configuration I would think there is an internal problem with the alternator. If it was getting hot in the three wire configuration it might be mis-wired. With it being the same alternator I'm leaning towards an alternator problem.And also connecting the hot lead wire to the hot terminal on the alt. (Your done at the alt.) Now at the voltage regulator. You have 4 wires with position 1-4 #1 Blue #2 White #3 Orange #4 brown Cut And splice the white and brown wire together. Position #4 & #2 Cut and connect #1 & #3 and connect them to the positive terminal on the Horn relay.Aug 25, 2018 · The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1967 - 1972 Chevrolet & GMC Pickups Message Board: 1 wire Alternator gets super hot! Use a socket wrench to move the tensioner pulley and loosen the belt for removal. Disconnect the wire harness from the backside of the alternator. Then remove the bolts holding it in place so you can remove it. Put the new alternator in place and insert the bolts. Tighten them down until they're all fully snug.The alternator charges fine, it puts out about 14 volts. It is the second rebuilt alt on the car since the rewire job (the first smoked out.) The large red wire goes to the starter, the #2 red wire goes to the same post on the back of the alternator as the large red wire, and the #1 brown wire goes up under the dash. What can cause this? lenovo updatearris routercar auctions perthmini dachshund puppies for sale in oklahoma