Brake lights?

1990 GMC JIMMY
188,562 MILES
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FIERRO00
  • MEMBER
  • 2 POSTS
My wont brake lights wont turn on so i replaced the brake switch and they still wont work and the brake light flashes what could be the problem?
Apr 21, 2013 at 6:49 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
check for a poor ground for taillights or a shorted wire leading to them
Apr 21, 2013 at 8:10 AM
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