Question about 2000 Cadillac DeVille

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Dead Battery I have a 2000 Deville with 82k. the battery keep going dead about every 2 weeks after re-charging. i have had the battery tested 3 times and its still good the next step would be the alternator. but after reading prior Posts i am a bit hesitant to do so. Can anyone suggest anything please.

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Sure..you need to get a volt/amp tester to verify alternator strength. If that is OK then each one of your circuits has to be checked for too much electrical draw. It sounds like that is your problem because as you run the car the alternator takes care of your electrical needs; however the battery takes a hit each night if one or more of the circuits is drawing too much juice.

Posted on Sep 24, 2009

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