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Showing results for tags 'Driver door lock'.
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I have a 2010 silverado 2500hd. I am having an issue with the driver door lock, all the other doors lock and unlock just fine. I found a broken wire in the rubber boot between the door and the cab and fix it accordingly. I looked up what fuses if would be and i replaced those, all was well for about a week then I pulled the panel off and put new speakers in and tightened the metal plate behind the door panel. Then it just stopped again. So I pulled the door panel off again and found the wire i had previously fixed was broken again so I pulled the entire harness and soldered the wire. Put everything back together with no luck. Now, the BCM doesnt even recognize the door being open or closed (courtesy lights no longer come on when I open the door.) I bought a new actuator thinking that was the issue plugged it up to test before removing the old one, still no luck. I used a DMM to test for voltage at the connector to the actuator and the connector that goes to the switch. I have a constant 11.4 volts at the switch and at the actuator connector. However, when I push the lock button, the voltage drops anywhere from 1volt to a 11volts. When press the unlock switch the voltage drops maybe a half volt. I was told that the switch is grounding out some where, but i have no idea where that would be, all the wires in the harness appear to be in good condition, I tested the ohms in the harness and everything checks out, no broken wires. I was thinking that maybe the relays in the I/P junction box are going bad, but i really dont know. I can lock and unlock all the doors from the driver switch except the driver door. Doesnt work with the remote either. Does anyone know where or what else I should check? Anyone else ever have this issue, if so, how did you resolve it? Any input or insight is greatly appreciated! Thanks.