Question about 2000 Ford Expedition

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Door ajar light and beep keeps going off

My door ajar light and beep keeps going off, no door is open and the interior lights do not go off after entering and starting the ignition

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Take the small black cover off from the pillar side of the switch and use the straw with the wd-40 can and lubricate the switch well.. old ford tech trick

Posted on Jun 06, 2009

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One of your door ajar switches in your vehicle is saying that your door is open even though your doors are all closed. Usually it is the drivers door since it it used the most. All of your door ajar switches are open or grounded. You will need to check each door ajar switch to see which one is not open or grounded. They all supply a ground to the GEM module you just need to find out which one it is. If you start ot unplug your door ajar switches and test them you should be able to figure our which switch has failed. Good luck.

Posted on Apr 19, 2009

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2005 Ford E350 Van Door locks & dome lights are going on & off on there own


Do you know anything about automotive electronic's ? Control modules ?
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The vehicle security module receives inputs from the following:
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