BRAKE LIGHTS

2001 GMC SAFARI
187,000 MILES • 6 CYL • 2WD • AUTOMATIC
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DHYATT
  • MEMBER
  • 1 POST
REPLACED BRAKE LIGHT SWITCH AND STILL NO POWER TO REAR LIGHTS BRK
Jan 31, 2011 at 8:29 PM
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JDL
  • ✓ASE Certified Mechanic
  • 16,098 POSTS
  • ASE Certified Mechanic
Did you check for voltage to and from the brake switch, use voltage tester. Orange wire is hot all the time, white goes hot when brake switch is activated. Your lower brake lites are wired through the turn switch, the highmount, isn't. Does the high-mount brake lite work?
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Jan 31, 2011 at 9:03 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Do you have power going in and out of the brake switch? if so test the turn and hazard switch
Jan 31, 2011 at 9:05 PM
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