Turn signal and hazard lights are not working?

Tiny
KARENSKI916
  • MEMBER
  • 1994 GMC VANDURA
  • 180,000 MILES
My hazards work not blinkers.
Tuesday, April 18th, 2023 AT 9:00 AM

1 Reply

Tiny
BRENDON S
  • MECHANIC
  • 651 POSTS
Good morning, KARENSKI916,

I would check the fuse first. I am adding a wiring diagram for you for the exterior lights. It shows there is a 20-amp fuse for this circuit. I have also added a diagram of you fuse box according to the info I have.

It doesn't give me a location for this panel except for by the instrument cluster but I believe it is under the steering column to the left on the firewall.

This article will help in checking the fuses using a test light:
https://www.2carpros.com/articles/how-to-check-a-car-fuse

I feel this is the best way to test because sometimes bad fuses look fine when pulled. Better to test them in place with a test light.
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Wednesday, April 19th, 2023 AT 5:03 AM

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