Brake lights

Tiny
DOMSORINO
  • MEMBER
  • 2001 GMC SIERRA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 66,666 MILES
Rear brake lights dont work on 01 sierra, 6 cyl only the cab light. What can I look for?
Tuesday, November 16th, 2010 AT 10:46 PM

2 Replies

Tiny
DOMSORINO
  • MEMBER
  • 2 POSTS
My rear brake lights dont work only the cab light, what should I look for?
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Tuesday, November 16th, 2010 AT 10:47 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 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.
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Tuesday, November 16th, 2010 AT 10:49 PM

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