brake light failure

Asked by Dec 23, 2015 at 03:30 PM about the 2008 Mercury Grand Marquis

Question type: Maintenance & Repair

Changed battery and alternator, now
the brake lights do not work

3 Answers

42,195

What was the reason for changing alternator and battery?

1 out of 1 people think this is helpful.
4,445

If they are all out, it is probably the switch on the pedal linkage or a fuse in the fuse panel (under the dash).

42,195

Question is, why would the brake lights suddenly not work after a battery and alternator replacement? Could be a fuse, could be the brake light switch or something else.

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