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VR commodore not holding charge HELP

Just changed my VR commodore engine, now the problem is she wont hold charge let alone idle, she charges but as soon as i take the jumper cables off shes dies, iv tried 3 diffrent batterys but just cant figure out what it is either the starter or the alternator, i get all dash lights iv turned all interier lights off she whines but doesnt whant to kick but if she does she dies straight away. please help im totally stuck!!

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  • ky8ben
    ky8ben Jan 03, 2013

    i have brought a new battery and still dies upon idle totally lost atm iv checked all earths iv smacked the starter upon start and still nothing

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  • Cars & Trucks Master
  • 76,132 Answers

Have the alternator tested, any Autozone does the test for free.

Posted on Jul 14, 2017

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Posted on Jan 02, 2017

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glennsmart
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SOURCE: 1999 Volvo S80 will not hold a charge

Tricky ... Was the alternator replaced with a 2nd hand one or a new one?

A defective alternator can allow the battery to discharge within a few minutes (the diodes in the rear of the alternator can burn out and cause the problem. The diode pack can be replaced). When this happens recharging the battery only replaces the power in the battery - which drains straight back to earth via the alternator, flattening the battery again - often within a couple of minutes or less.

Does the battery lose its charge when the car is standing or just when the engine is fired up?
If the battery loses its charge overnight, try disconnecting the wiring from the rear of the alternator (also look at the electrical connector that fits into the back of the alternator - look for melting/burning marks which suggest something may be amiss inside the alternator).

Let the car stand overnight with the alternator wires disconnected. Will it start up ok and drive (with the alternator wires still disconnected) the next morning?

You could also try just disconnecting the alternator wires, firing up the car and then driving it -
If the car drives ok without dying out and gets further down the street than it usually does, then it probably is the alternator at fault. The car should drive until the battery drains and has insufficient power to trigger the ignition. You certainly would get further down the street with a charged battery and disconnected alternator than you currently do.

It does sound as though you've had an alternator fault to begin with. If it has been replaced with a 2nd hand unit that unit may also be faulty. Rather than replace parts in desperation, visit an auto electrician's - within a few minutes they will be able to test the battery/alternator output and also identify where the lost current is going. It will be cheaper in the long run to have an auto electrician look at the charging system. It only takes a few minutes.

Posted on Sep 17, 2008

  • 86 Answers

SOURCE: won't start, engine wont rev above 2000rpm

Have the alternator tested. You are providing a low charge to the battery when you jump it and when taking it above 2K RPM requires more amperage resulting in the engine dying and the rough idle

Posted on Apr 23, 2009

  • 17 Answers

SOURCE: new battery and alternator. Battery still won't hold charge

Check all your fuses if you had a system failure it could have blown a fuse. I am not sure on your vehicle where the fuse is in the car or under the hood it could also have a relay. You can check your alternator by checking the voltage at the back of the alternator where the big wire bolts on. You should have 14+ volts at the alternator.

Posted on May 24, 2009

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SOURCE: 1999 daewoo lanos 1.6 sx

try moving your gear stick about severel times.put it in park or nuetral and try.might help.

Posted on Jan 06, 2011

japkid
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SOURCE: 1988 f150 4.9l straight 6

check your grounds sounds like it could be the culprit

Posted on Feb 08, 2011

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How to install starter motor for VS commodore


I suggest you pose the question on the VS section of the Just Commodores Forum and one of the guys there should be able to help you with that.
Here is the link to the website........................


Forum VR VS Holden Commodore 1993 1997



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