Interior lights not turning on?

Tiny
RODJAMES
  • MEMBER
  • 1992 GMC SIERRA
  • 5.7L
  • V8
  • 4WD
  • AUTOMATIC
  • 300,489 MILES
My interior lights don’t come on at all. How can I troubleshoot this issue?
Saturday, March 16th, 2024 AT 5:51 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,512 POSTS
I would check the courtesy fuse first because the cigarette light runs off it as well be the fuse could have popped. Here is a guide to help test for power and the dome light wiring diagrams so you can see how the system works which is pretty basic.

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

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Sunday, March 17th, 2024 AT 11:18 AM

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