One way to check if a switch is defective is to connect current from a battery charger directly to the lock actuator.
Power locks dont work on one door.
If you seen battery voltage operated the switch and check for power coming into the control coil on either the lock or unlock relay.
The windows and the locks are on two separate circuits.
Reconnect all wiring and operate the door lock manually with the switches in the dashboard console door panel.
You push a button and they lock.
Go to a dealer and they will.
Remove a door panel for a dodge ram fix a power door lock window or speaker this video explains it all in detail.
They keep potential thieves and burglars out of your car and make it easy for you to lock and unlock your doors in a hurry.
Don t waste your time changing the power.
Again if one door doesnâ t work but others do the problem could be with the door lock solenoid.
Power door locks are quite simple.
As a result power door locks that don t work are a little unnerving as they spell an increased security threat for your vehicle.
The most likely cause of your problem is the master switch in the drivers door.
The switch provides power to the door lock solenoids.
But even though they re a simple concept there are still a few things that could go wrong.
Replace the key fob.
You push another button and they unlock.
So if your power door locks aren t working it could be due to bad wiring a bad switch or even the actuator.
Replacing it may require removing the car door panel.
The power door locks utilize individual solenoids in each of the doors that activate the door lock mechanism.
If that doesn t solve the problem you may have a faulty key fob.
You don t want to be kicking yourself later because you missed something so obvious.
If the relay is getting power when you operate the power door switch but the doors don t lock or unlock check the control coil ground.
The power door locks are all inoperative or a single door lock is inoperative.
Power door locks are the most important security element of your vehicle.
The only part that these two have in common is the master switch.
The solenoid is bad.