Turn signal works no brake lights

Tiny
JIM GENETTI
  • MEMBER
  • 2006 GMC ENVOY
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 57,000 MILES
Turn signal works no brake lights. Checked fuses all good. Had brake switch replaced 1 yr. 8 months ago, same symptoms. How do you replace the brake switch?
Monday, August 23rd, 2010 AT 9:42 PM

1 Reply

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Should not fail that quickly but if it is faulty again then it's simple to replace. just disconnect battery, disconnect switch, unbolt from mounting bracket and replace.

This guide can help you fix brake light problems also I have included the brake light wiring diagrams so you can see how the system works.

https://www.2carpros.com/articles/brake-lights-not-working

Check out the diagrams (Below). Let us know what happens and please upload pictures or videos of the problem.
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Monday, August 23rd, 2010 AT 9:48 PM

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