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1990 Chevrolet Lumina Question: battery died



Visitor, New York, NY, April 27, 2010, 16:27

battery died when car is off something is draining the battery

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  • Answer #1

    Visitor, December 19, 2010, 10:30

    do you have a tereo or amp that is not being turned off when the key goes off
    you could also have a bad voltage regulator charging the battery when running but running the bat voltage backwards thru the diodes in the alt regulator to ground
    check after the car is cold and see if the alt is still warm,indicating a shorted voltage regulator/alternator

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