Question about 1998 Cadillac DeVille

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Battery keeps dying in the middle of the night

I have a 1998 cadillac sedan deville - 4.6 liter - unless I disconnect the battery at night, the car will not start in the morning because the battery is drained. Can you please help me?

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  • Gary Loney
    Gary Loney Feb 01, 2009

    I had the same problem....have you ever noticed a little puff of smoke coming from the ignition switch? I changed my ignition switch and problem solved.....

  • Anonymous Feb 23, 2009

    I HAVE A 200 CADILLAC DEVILLE AND MY BATTERY NEEDS A JUMP EVERY DAY AND IT'S A NEW BATTERY. wHAT REALLY GOING ON WITH MY CAR???

  • Tommy Williams
    Tommy Williams Nov 16, 2013

    The altenator was just replaced with oem, still no resolve?

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Have the alternator checked it could test good and still be bad but it can also drain the battery 9 times out of 10 its the alternator thats draining the battery

Posted on Feb 01, 2009

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I would normally agree with Ronnieh49, but I just replaced my alternator & my battery still gets drained, any other suggestions?
(btw-new battery also)

Posted on Sep 08, 2009

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