Auto door locks not working

135,000 MILES • 5.7L • V8 • 2WD • AUTOMATIC
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THE CHEVY MAN
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My automatic door locks stopped working. The drivers door can’t lock switch not working. What can be causing this?
Aug 24, 2019 at 1:38 AM
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STRAILER
  • ✓Experienced Mechanic
  • 55,549 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.
Aug 26, 2019 at 7:38 AM
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