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1994 Chevy Silverado Brake lights

Tiny
GMSID
  • MEMBER
  • 1994 CHEVROLET SILVERADO
  • V8
  • 4WD
  • AUTOMATIC
  • 10,927 MILES
My brake lights went out. So I checked the fuse and it was good so I replaced anyway. No lights. Replaced brake light switch with new ac delco switch no lights. Of course I checked bulbs on both sides they are good. It just stopped working all of a sudden.I would think both circuit boards went bad at 5the same time. Any thoughts. Gmsid
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Thursday, October 30th, 2008 AT 2:24 PM

4 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Does the high mount bk light work? If so problem could be with turn signal switch.
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Friday, February 26th, 2021 AT 10:45 AM
Tiny
GMSID
  • MEMBER
  • 3 POSTS
Doc, had the whole turn signal, wiper, cruise control switch replaced at dealer awhile back and truck not driven much since however cruise control and turn signals work, and I know the bulb has been out on the third light for years because I have a camper shell on the truck and it covers it up but has one on the camper and it doesn't work either. Gmsid
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Friday, February 26th, 2021 AT 10:45 AM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
The way it's wired if the high mount relay is bad all brake lights out. In engine comp. Right side cowling.
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Friday, February 26th, 2021 AT 10:45 AM
Tiny
VADER
  • MEMBER
  • 1 POST
Found the problem. Over crimped spade connector for the signal switch connection under dash caused the wire to fail, (break). 5 mins with a soldering gun and the wire was repaired and the spade re-inserted.
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Friday, February 26th, 2021 AT 10:45 AM

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