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Brake Lights

Tiny
ILLGRAMMATIX
  • MEMBER
  • 2004 CHEVROLET TRAILBLAZER
All of the lights on my trailblazer seem to work except the brake lights. I've tried changing bulbs. Haven't tried the fuse yet. But from reading some other similar posts I'm thinking it may be the brake switch. Is there anything else besides the fuse, bulbs, and brake switch that would prevent my brake lights from working? Ironically, the top brake light on the rear door (storage area) of the truck works.
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Thursday, April 12th, 2007 AT 1:42 PM

3 Replies

Tiny
BOOTDOG
  • MECHANIC
  • 665 POSTS
Check those you mentioned and also check for loose connections, bad grounds and possibly broken wires.
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Saturday, February 27th, 2021 AT 12:34 PM
Tiny
KGOWER
  • MEMBER
  • 4 POSTS
I know there is a recall on the taillight modules for the 2003 I had the same problem. Check the recalls on the 2004 the modules are only about $30 from the dealership they are a dealer part only
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Saturday, February 27th, 2021 AT 12:34 PM
Tiny
TROMPOMIX
  • MEMBER
  • 1 POST
Is the fuse located under the rear seat on driver side number 34 I just replaced and my brake lights is working fine now
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Saturday, February 27th, 2021 AT 12:34 PM

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