Question about 1998 Pontiac Grand Prix

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Car won't start.

When I jump battery, car will start. I leave it running and drive around. But when you cut off the car, it will not restart unless I jump the battery again.
This is the 2nd time this has happened. I had battery checked out the 1st time and it was good.

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It sounds like you have a bad alternator. Put a voltmeter on the alternator output to ground and see if you have at least 13.2 volts. If you dont, replace alternator.

Posted on Oct 28, 2008

  • bruce harrod Oct 28, 2008

    I appologize, i read the question wrong. The battery sounds like it is failing to accept a charge. Replace the battery and it will take care of your problem.

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******* Always where eye protection*********
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