I have a 1989 Grand Marquis and the brake lights will not work. They used to get stuck on and I would have to remove the fuse to get them to turn off. I have heard the problem may be in the pedal.

Asked by Mar 30, 2015 at 05:28 PM about the 1989 Mercury Grand Marquis LS

Question type: Maintenance & Repair

3 Answers

7,255

The brake light switch is at the pedal, here's a pic of what it looks like

2 out of 2 people think this is helpful.
6,405

Replace the stoplight switch and it should solve your problem. It's mounted on the steering column under the dashboard and looks just like the photo above. It's just a plunger type switch that goes in and out when you push down on the brake pedal. Very easy to change out. Good Luck, Kenny/MrBlueOval

1 out of 1 people think this is helpful.
1,215

Sometimes the wires can frey and break right next to the spade lugs. I crimped on a more flexable wire with terminal onto the old ones. Problem solved.

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