Question about 2001 Cadillac DeVille

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Security system car wont start new battery alternator is ok completely dead could the security system be doing this

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  • andrewcoe04 Feb 14, 2009

    this is happening to mine as well!! thought it wasthe battery but when i got a new one the same problem happened today! everything electrical still works but the car doesn't start and the panels dont turn on

  • Anonymous Mar 08, 2009

    same thing!!!!! help!

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  • 21,949 Answers

Security??dealer only iam afraid ,but try disconnecting battery temporary.then weather permitting check for a backfeed in altenator.quickest way is to remove wires on back and see if drains the battery still ,if it doesnt then theirs your fault ,its fairly common as a diode packs up in the rectifier pack.

Posted on Feb 13, 2009

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