Question about 1999 Mercury Grand Marquis

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Our Interior "Dome Light" occasionally comes on and off without any opening of the door. We have ran the battery down. Including a "NEW" battery. We have replaced driver side door latch and switch assembly. All indications were with that door being the problem. We are stumped. and still have the same problem. Finally we removed the Fuse to eliminate any further use of the battery. Any suggestions? Please help?

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Yes you have a loose wire in the system take a voltmeter with car off and trace the line find where the looose wire is it is touching and crossing making a bad connection have to find it takes time but only way to fix it hope this helps

Posted on Sep 11, 2010

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I have a 2002 ford tauris that was a state car.


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all this is in the operators manual. in the glove box.
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When a door is open and the interior lights are on,
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im sure its in your book but a different page,
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