Question about 1998 Ford F150 Regular Cab

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Alarm goes off when truck is parked and locked. What's wrong?

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  • Scott May 11, 2010

    If it is the factory installed alarm the main control box has gone nuts. I have the same problem and just live with it due to the cost of the part which if I remember correctly is in the $400.00 plus range. And it can not be disabled because it will shut down the ignition.

  • Craig Spell
    Craig Spell May 11, 2010

    how old is the alarm?
    who did the install?
    what type of system is it?
    does it immediately go off when locked?
    are there any signs of disturbances? ie: look for cat prints listen for loud trucks or car mufflers

  • kdm56 May 11, 2010

    have you got sensors inside the vehicle, if you have these are sometimes set off by a window left slightly open or air flowing the the air vents if they are slightly open. or a spider crawling inside the vehicle. hope this helps.

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  • Ford Master
  • 1,348 Answers

Factory or aftermarket?maybe your panic button on the remote is transmitting a signal.

Posted on May 14, 2009

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