Question about 1997 Cadillac DeVille

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My alarm system is going nuts it flashes the headlights and blows the horn until the battery goes dead,or till the cops show up and make me disconnect the battery,lol it's not funny anymore (HELP!!!)only the speedometer will work until you pull the headlight switch out, then one at a time all the other gauges will light up,not even the power seat or the heater/ac will work,till you pull out the headlight switch,(alarm malfunction car may not restart)appears on the digital readout,and it wont either! unless you turn the key to the start position and push the trunk release button,then it starts right up,again I say (HELP)thanks Larry.

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You have to roll up all the windows lock all the doors and use your key to unlock on of the front doors or the trunk when the alarm is going off. I don't remember which it was. Remember all doors must be closed and locked with the windows up for this to work.

Posted on Sep 28, 2009

Testimonial: "my trunk latch is broken it never occurred to me about that,by golly you may be on to something,I will fix my trunk latch and see if this cures it."

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Is the alarm factory fitted, cheap, or a top of the range.
the factory alarm you can pull the cable of the horn untill you get the car started.
there are some alarms that go off when there is a voltage change, and some will keep going for a couple of minutes if the battery is dead flat untill there is power to equilze the power abit,
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if its a cheap alarm take the battery of and charge it,(the alarm will cut out as soon as the battery is disconnected.
~dont jump start from a dead flat battery, as it can cause a lot more problems with the electrics, leave another car running with the jump leads on for at least 5 min first.~
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