I have a 1992 pontiac firebird.. my brake lights on the back work.. but my high mount doesnt.. i changed the bulb and checked the fuses.. im lost on what else it could be.. please help..
Check the socket for both power and ground when brakes are applied. I suspect you have lost the ground circuit to it possibly. But if you have both power and ground you have a bulb connection issue. use some bulb grease on bulb and reinstall.
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