Question about 1994 Jeep Grand Cherokee

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Alarm go off by itself after door lock.

I have 94 grand cherokee, lately after i lock the door approx. 5-10min.alarm when off.

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  • rmac2 Mar 28, 2009

    Have checked all battery connections,alarm sensor switches at hood,doors & tailgate etc.
    factory alarm is poor!


  • Cartman777 Apr 03, 2009

    Hi, I have the same problem. Where are those switches located ? How to check them ? What is the procedure to check and find out where is the location of broken switch ? My car alarm became extremely sensitive to wind. When system check it after doors locked - it not stays on on a dash board and behave like before - not show that there is a problem. Also can it be a problem with hood regulators ( those round rubber things above head lights that turns to regulate what (?) I am not sure..)

    Thank you.
    Olga.

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Check your battery connections and all alarm sensor/tamper switches at doors,hood & tailgate openings.

Posted on Mar 28, 2009

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1 Answer

1997 Jeep Grand Cherokee. Alarm keeps going off and disabling car. Have tried passenger door and turning key towards hood and still no success. Will alarm reset itself in "X" hours. Suggestions...


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The alarms can be disarmed by a keyless vehicle remote or by unlocking either of the front doors or the read lift gate with the key. If the key method does not work with any of those three entrances, there is a problem either with the input to the alarm module or the module itself.
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The ignition security on/off is located at the trunk lock. unlock and lock rear gate and the alarm will turn off. My jeep sat in my drive for a month before a jeep tech told me this. It still triggers the security sometimes when I unlock the passenger door with the key and I go straight to the rear gate lock and it shuts off instantly.

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94 jeep grand cheroke


If you remove the glove box you will find the alarm module behind it next to a relay box. If you unplug the module the Jeep should start.

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