Tail light problem

Asked by Aug 14, 2015 at 04:56 PM about the 2001 GMC Sierra 2500HD 4 Dr SL Crew Cab SB HD

Question type: Maintenance & Repair

All tail lights blink when lights are on and you step on brakes or turn signal on also with
lights off and turn signal on blink fast when brakes applied

1 Answer

57,515

You have a bad ground wire somewhere,

Your Answer

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