Brakes light not working

Tiny
MOHAMMED ALI JABBAR
  • MEMBER
  • 2003 GMC ENVOY
  • 4.2L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 30,000 MILES
Both sides and third top brake lights not working.
Tuesday, December 25th, 2018 AT 4:11 AM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

I attached a wiring diagram for you to view.

Check the fuses listed in the under hood fuse block for power on both sides. then check for power to the brake light switch under the dash by the brake pedal.

https://www.2carpros.com/articles/how-to-check-wiring

Roy
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Tuesday, April 13th, 2021 AT 8:12 PM

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