Question about 1988 Mercury Grand Marquis

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Headlights go on and off at any time - 1988 Mercury Grand Marquis

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  • bookboa Sep 23, 2008

    Exactly the same, seems to be temperature related.

    Mechanic says its the Electronic Control Module.

    I'll let you know.



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Replace your dimmer switch on the dash, I finally after replacing it a couple of times ended up just replacing it with one without the sensor in it.

Posted on Oct 05, 2008

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Year of the car please

Posted on Sep 20, 2008


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