Brake lights don't work except window

Asked by itsmenotu2 Aug 29, 2013 at 03:15 PM about the 1998 Mercury Grand Marquis

Question type: Maintenance & Repair

Changed switch on firewall still same please help thanks

1 Answer
13,275

Fordtudor37 answered 10 years ago

Check all bulbs and check for electrical power at the other two locations with the "brake pedal depressed". Black spots, or black interior of a bulb is the quick "give away" it is bad.

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