Mechanics

BRAKE LIGHT PROBLEM

2000 GMC Truck • V8 4WD Automatic • 200,000 miles

I have a 2000 GMC Sierra 4 wheel drive truck. The brake lights have quit working when you press the brake pedal. There were trailer brakes installed for pulling a horse trailer when I bought the truck. I can press the trailer brake by hand and the trailer lights work, just not when I press on the brake pedal.
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Marshia
February 4, 2011.



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