Question about 2000 Mercury Grand Marquis

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Cruise Control - 2000 Mercury Grand Marquis LS - not working

Does anybody know which fuse and/or relay should be checked to troubleshoot the cruise control?

Any help is appreciated, thanks.

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Your manual should tell you that. Also check your brake light switch by the brake pedal. It also disengages the cruise. If it is bad the cruise will not work but the brake lights may still work.

Posted on Jul 03, 2009


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Hi Debbie,

First I think it should be said that whatever is wrong with your cruise control it is definitely NOT caused by a fuse. Fuses do not cause electrical circuits to fail. Failing electrical circuits case fuses to blow.

With that said, there are 2 fuses that affect your cruise control operation:
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