security light on and engine won't crank.
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, security light on and engine won't crank. in Past Cadillac Vehicle Discussion; every know and then the security light comes on and engine won't crank over. Have to wait gor a while ...
  1. #1
    mikelapato is offline Cadillac Owners Member
    Join Date
    Apr 2013
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    every know and then the security light comes on and engine won't crank over. Have to wait gor a while before it will start. Any insight to what the problem would be. I have no clue. It is a 1990 Deville coupe
    Thanks

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  3. #2
    rodnok01's Avatar
    rodnok01 is offline Cadillac Owners Connoisseur
    Automobile(s): 98 DeVille, 97 DeVille d'Elegance
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    What year?

  4. #3
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
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    Re: security light on and engine won't crank.

    Update your profile to show your year & model so we don't have to ask.

  5. #4
    brougham is offline Cadillac Owners Master
    Automobile(s): 1991 Cadillac Brougham D'Elegance 5.7 Litre
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    Canada
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    Re: security light on and engine won't crank.

    It's probably a passkey/vats problem.

  6. #5
    SUPER LAC DEVILLE's Avatar
    SUPER LAC DEVILLE is offline Cadillac Owners Enthusiast
    Automobile(s): 1998 Cadillac Deville
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    Check ur key pellet for corrosion... Seen this once
    Did u change or order new keys
    Did u change steering column or have key ignition repair
    Did u Change ur IC (instrument cluster)

    I'd check codes and all related fuses and battery terminals

    Low voltage causes problems

    Im not a Northstar pro but Jus Offering suggestions


    Sent from AutoGuide.com Free App

  7. #6
    basscatt's Avatar
    basscatt is online now Cadillac Owners 10000+ Posts
    Automobile(s): 89 Coupe DeVille, 95 Sedan DeVille, 03 SLS, two 02 DHS's
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    Minnesota
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    Re: security light on and engine won't crank.

    year - make - and model would be helpful -

    if you have a chip on your key -
    use a pencil eraser and clean the key and chip -

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