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I have a 2000 chrysler concorde battery is only being charged at 12v. New alt and bat. Both tested good. Any suggestion

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Alternator should be plugging out 13.5 to 14 volts. Who ever installed that alternator needs to check the connections or the alternator itself.

Posted on Jan 10, 2013

  • jeffery wigginton Jan 12, 2013

    The issue was where a previous owner had tried to replace a portion of the wire from the alternator to the battery. They used what looked to be a power wire for a subwoofer hook-up. Replaced that portion with 4 gauge terminal wire from the auto parts store. Soldered it in place and retested. The system checks good no issues now



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Posted on Jan 02, 2017

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SOURCE: good alt. will not charge good battery

the regulator should be in the alternator,is it a rebuilt one,if so you could have gotten a bum one, i'v had that happen to me three times in a row till i finaly got a good one, also make shure the ground wier is tite and none of the wiers are frayed or broken

Posted on Dec 20, 2009

  • 2 Answers

SOURCE: battery drains quickly

the starter could be draining it

Posted on Feb 28, 2009

  • 6826 Answers

SOURCE: battery light on tested bat and alt both good light still on

The alternator can check good,but it may have a blown diode in the alternator,and causing the light to come on,the test may not catch the flaw,so think about it,it will get worse,if there is not a drain on the voltage system,there will be.

Posted on Jan 29, 2010

  • 17130 Answers

SOURCE: my 2004 f350 diesel is

Possible that the alternator or the electronic charging unit has failed. You need to start and check the battery voltage with the car running and reving.

check this link for tips:

Posted on Aug 03, 2011

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New battery not charging after changing the alternator

First make sure both battery cables are free of corrosion and ground is secured to chassis and engine then check to see if theres an alt. fuse or bat. fuse blown. Another way to test charging sys w\out an meter is to remove the ground terminal from the bat. with the car running, if the alt. is good car stays running, if all else fails take the alt and bat to a parts store that will test them for free

Dec 14, 2013 | Chevrolet Venture Cars & Trucks

1 Answer

My 2000 chrysler concorde alternator isn't

The computer controls alternator output. If the alternator passes a bench test but is not charging at idle speed on the car, it could be the computer or a bad connection in the harness.

Jan 10, 2013 | Cars & Trucks

2 Answers

Battery on full charge then start truck drive to town and noticed volt gauge at low turned lights and access off got home shut truck off tried starting after shut down and noting but dead bat havn prob...

You need to fully charge the battery and load test it, then check the charging system and alternator drive belt for tightness. do not remove cable when running or it can harm the charging system...ok on older cars, no longer good practice. Quick check of charge system can be done with volt meter across the battery. Volts should read between 13 and 14volts and not drop over time. With all lights, heater etc on volts should be better than 12.5 (usually above 13 and again, not drop with time.

Oct 26, 2010 | Ford F-250 Cars & Trucks

2 Answers

Battery light on tested bat and alt both good light still on

If the light is on and the alternator is good then you either have a short to ground in the wire that runs the charge light or there is a diode in the alternator that is bad.The alternator will test good with a bad diode if it is only tested for the voltage it reaches but if you were to check the amperage output it would be down from it's output rating.

Jan 29, 2010 | 2000 Pontiac Grand Prix

1 Answer

How do I locate and change the battery on a 2000 Chrysler Concord

Drive down to your nearest parts store. Buy a battery and ask the attendant to help you replace it. It's that simple. I would suggest watching so that next time you can do it yourself, hope this helps and good luck!

Jan 16, 2010 | 2000 Chrysler Concorde

1 Answer

Good alt. will not charge good battery

the regulator should be in the alternator,is it a rebuilt one,if so you could have gotten a bum one, i'v had that happen to me three times in a row till i finaly got a good one, also make shure the ground wier is tite and none of the wiers are frayed or broken

Dec 20, 2009 | 1991 Chrysler New Yorker

2 Answers

On a 1995 Chrysler Concorde it is trying to start but wont turn over. We took the alternator out and it was bad but the one we put in is still doing the same thing. Could it be fuel pump related

was the battery charged prior to replacing alt if it wasn't battery possible still to low/weak to start vehicle alt charges battery and also runs accessories / battery starts vehicle if it wasnt charged vehicle wont start if battery is charged check conections for loose or damaged

Nov 20, 2009 | 1995 Chrysler Concorde

4 Answers

Put a new alternator in 2000 Jeep Grand Cherokee engine light on

well , the ECU runs the alternator. (DG wire "dark green")
the alternator field is controlled 100% by PCM reg , inside PCM.
so..... if the running engine has 13.3, to 15vdc the alt is working
if lower, its not. (rpm on engine 800 or more)

not scanning the PCM a the CEL glow, you missed the boat.
why not scan it. see why the PCM is upset (DTC errors stored)

see the 2 lower pins below , those go to PCM.
in theory if the field in the old BAD ALT, was shorted.
that could in fact, burn up the PCM regulator.
shorting outputs of PCM , does that in most cases.
im the poor sod that fixes PCM'


Apr 07, 2009 | 2000 Jeep Grand Cherokee

1 Answer


Conduct a Battery Draw test . A TEST LIGHT NEEDED
  1. Disconnect Neg Cable
  2. Connect test light to neg cable
  3. poke neg battery terminal with test light
  4. make sure doors are closed and everything is off
  5. if light is on you have a draw
  6. Find it by getting into car door closed
  7. remove fuses one at a time
  8. when the light goes out that is the Circut that is drawing the bat down
  9. locate whatever is "ON" and replace/repair
I hope this is of help to you

Jan 13, 2009 | 2001 Chrysler Concorde

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