Unplug the door lock actuator electrical connector.
How to change power door lock actuator 2005 chevy silverado.
Door lock systems operate the actuator by toggling positive negative voltage to the actuator.
Again the difficulty was not bad to replace the motor.
Removing the door latch assembly was a pain.
Pull the actuator so you can get a handle on the electrical connection.
There was no room and led to many nicks and cuts.
Then use your test light or digital meter to check for power and ground at the connector when you operate the lock unlock switch.
Once the actuator is free from the door it should be hanging by the interior lock rod.
It did require removing the door handle.
Transfer the mounting bracket and dust cover to the new lock actuator.
You should see the voltage polarity toggle with each switch activation.
That motor as posted above is 30.
It has a little purple plastic piece on the top that you need to insert a broad flathead into and push up.
Way cheaper than the whole assembly.
Unclip the lock rods and unplug the wiring harness.
Install the new door lock actuator 5 40 use a couple coarse threaded bolts rather than rivets to re install the door lock actuator.