Power locks not working on inside cab switches

2000 CHEVROLET 1500
188,000 MILES • 4.8L • V8 • 2WD • AUTOMATIC
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MOESMYHERO
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I have a regular cab 2000 Silverado that I just bought. It has the LS package with keyless entry. I just replaced the door latch on the drivers side. I cannot remember (for the life of me) if door lock switches on the inside of the doors worked before I replaced the latch.
The fob works great locks and unlocks doors like it is supposed to. But the lock/unlock buttons inside on either door will not work. No sound of actuators or nothing when they are pressed.
Nov 10, 2018 at 6:13 AM
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STRAILER
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It sounds like the drivers door lock relay is not working. Here is a guide to help you test it and the door lock wiring diagrams so you can see how the system works and the location of the relay as well:

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.

Cheers, Ken
Nov 12, 2018 at 11:24 AM