1998 GMC Sierra brake lights don't work

104,400 MILES • V8 • 2WD • AUTOMATIC
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SHAUN316
  • MEMBER
  • 1 POST
My brake light will not work. The third light works. i replaced the switch under the dash that is directly on the brake pedal. i have checked all the bulbs by changing them to the blinker location and both filaments work. i have chased wires from the taillights to the front, but once the go up i loose track of them. I also swapped the ignition relay and the stop/hazard relays and nothing. All fuses are good i checked them with a multimeter. I even went a little farther and shook the blinker lever and hazard switch to see if maybe they weren't all the way off. after that i am all out of clues. thanks
Mar 31, 2009 at 8:00 AM
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BLACKOP555
  • ✓Experienced Mechanic
  • 10,386 POSTS
sounds to me like you need a new turn signal switch. replacing it should fix the problem.
Mar 31, 2009 at 1:09 PM
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