brake lights

2001 GMC SIERRA
66,666 MILES • 6 CYL • 2WD • AUTOMATIC
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DOMSORINO
  • MEMBER
  • 2 POSTS
rear brake lights dont work on 01 sierra, 6 cyl only the cab light. What can I look for?
Nov 16, 2010 at 2:46 PM
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DOMSORINO
  • MEMBER
  • 2 POSTS
my rear brake lights dont work only the cab light, what should I look for?
Nov 16, 2010 at 2:47 PM
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WRENCHTECH
  • ✓Experienced Mechanic
  • 20,760 POSTS
That is likely a bad combination switch in the steering column. It houses the turn signal switch and the 2 lower brake lights run through it so it can cancel the brake lights for turn signal.
Nov 16, 2010 at 2:49 PM
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