Question about 1993 Mercury Grand Marquis

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I want to know how to fix the brake on-off switch. I have no brake lights and I was told that also because of the broken on-off switch is why I have to turn the ecnition part way on without starting the car then put it in nutural, then start the car and to put it in drive. I can not shift my car into gear if I start it before doing what I just stated. Where can I get a diagram to fix it? Maude

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Maude the switch is in between the brake pedal and the frame that holds it on. look up under the dash and push the pedal down. When you do you will see something that looks like a cigar cutter. You will have to remove a cotter pin and the rod that connects the pedal to the power break booster threw the firewall. Once you slide that bar off you need to push the back end (facing you) of the switch down as you slide it to the left and off. Make note of how it comes off. One side has a hole, the other side a horse shoe.

Posted on Aug 25, 2010

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