Question about Mercury Marquis

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Im not sure if this is my problem here or not. my problem is if you barely push the brake in the brake lights will not come on and you can not put it in gear. How ever if you push hard on the brake you can put the car in gear and the brake lights come on, but you have to push really hard. i am thinking its the brake sensor but i can not find where this is located. its for a 1996 mercury grand marques

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This certainly sounds like a switch problem and is quite easy to solve

the switch should be located behind the brake pedal, connected by a small rod.
i cannot remember if this can be adjusted (it will be threaded if you can adjust it) or if it would need to be replaced completely.
the switch is fairly cheap $10 or thereabouts and should just be a matter of disconnecting the rod and wire plug, and remove the switch. reverse to replace. should take less than 15 mins.

adjustment if possible would be a case of lengthening the rod, or moving the switch closer to the pedal.

i am sorry i cannot remember the specifics of this switch at present but it will be fairly clear when you look at it.

feel free to ask again if you need more advice

Posted on Mar 26, 2011

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