Then use your test light or digital meter to check for power and ground at the connector when you operate the lock unlock switch.
How to change power door lock actuator 2005 chevy silverado.
Unplug the door lock actuator electrical connector.
Once the actuator is free from the door it should be hanging by the interior lock rod.
It did require removing the door handle.
Way cheaper than the whole assembly.
You should see the voltage polarity toggle with each switch activation.
That motor as posted above is 30.
Plug in the wiring harness and lock rods.
Door lock systems operate the actuator by toggling positive negative voltage to the actuator.
Transfer the mounting bracket and dust cover to the new lock actuator.
Removing the door latch assembly was a pain.
It has a little purple plastic piece on the top that you need to insert a broad flathead into and push up.
When you push it up all the way 1 it will push itself off of the actuator.
If you take the time to remove the assembly just replace the motor.
Again the difficulty was not bad to replace the motor.
Install the new door lock actuator 5 40 use a couple coarse threaded bolts rather than rivets to re install the door lock actuator.