Auto door locks not working

Tiny
THE CHEVY MAN
  • MEMBER
  • 1992 CHEVROLET 1500
  • 5.7L
  • V8
  • 2WD
  • AUTOMATIC
  • 135,000 MILES
My automatic door locks stopped working. The drivers door can’t lock switch not working. What can be causing this?
Saturday, August 24th, 2019 AT 8:38 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
It sounds like the main switch when out. here is the lock wiring diagrams so you can see how it works and a guide to show you how to test for power. system is pretty simple here are the wiring diagrams to confirm.

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

Check out the diagrams (below). Please let us know what you find.
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Monday, August 26th, 2019 AT 2:38 PM

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