Brake lights don't work except window

Asked by Aug 29, 2013 at 03:15 PM about the 1998 Mercury Grand Marquis 4 Dr GS Sedan

Question type: Maintenance & Repair

Changed switch on firewall still same please help thanks

2 Answers

25,345

check that the bulbs are good- check that the holders, the sockets aren't rusted- check that there is power in the wires that lead to the bulb sockets- check the fuse- check, check, check, check

1 people found this helpful.
9,035

if vehc. uses same bulbs for turn signals as well, could be turn signal switch. The brake lamp circuit may pass through switch, to be able to change brakelamp to turn signal.....

1 people found this helpful.

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