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2004 Mercury Grand Marquis Question: Has there been many replacements for the light modulator on this car?



Debbie Fisher, Mount Juliet, TN, September 02, 2013, 12:19

The lights come on and off and we were told it was the light modulator. Is this a big problem with this year and car?

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  • Answer #1

    September 03, 2013, 09:50

    their is not a big problem with this module but they do go out. have replaced several, mostly police cars. has to be reprogrammed when replaced. located above accel pedal.

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