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No brake lights two main bottom?

Tiny
JKBILBREY
  • MEMBER
  • 1997 GMC JIMMY
  • 4.3L
  • V6
  • 2WD
  • AUTOMATIC
  • 256,000 MILES
For some reason the top brake light on the top of the hatch comes on, but the two main bottom brake lights do not come on.
Sunday, December 29th, 2024 AT 8:00 PM

5 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,603 POSTS
I would cycle the hazard switch on and off about 10 times to see if the contacts clean up, if not the turn signal switch will need to be replaced. Here is how to fix the problem. Check out the images (below). Please let us know what happens.
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Monday, December 30th, 2024 AT 11:15 AM
Tiny
JKBILBREY
  • MEMBER
  • 3 POSTS
Thank you for this advice, this fixed it! I greatly appreciate this.
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Monday, December 30th, 2024 AT 4:13 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,603 POSTS
You are welcome! Did you have to replace the switch or did you get away with just cycling the hazard switch? Happy new year!
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Tuesday, December 31st, 2024 AT 11:28 AM
Tiny
JKBILBREY
  • MEMBER
  • 3 POSTS
I had to cycle Hazard switch quite a few times. I've had to do it again since then so it might be time for a new switch.
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Tuesday, December 31st, 2024 AT 6:54 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,603 POSTS
Yep, I think you are correct, good job finding the problem.
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Wednesday, January 1st, 2025 AT 10:38 AM

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