Having problems with your 2000 GMC Sierra ?

We can't get the power locks to unlock on rear doors of our 2003 gmc crew cab with remote or door control button. They will lock though no problem with remote and the buttons on either front door.we also have trouble with the radio in the back seat working as well.

Posted / edited by AnonymousUser on : 10-08-2020

Answers :

I fixed my doorlock problem today.It did the same thing as yours,it was the relay for the rear door lock and unlock located on the drivers side of dash by the drivers door.easy cheep fix.hope this helps
Check and see if the wireing harness from the door post to the door has broken wires due to the number of times they have been pivoted on when the door gets opened and shut.
Repair Help & Product Troubleshooting for 2000 GMC Sierra

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