Iv since had the dash back apart and replaced the door lock relay.
Power door lock fuse blowing.
Finding the source of a dead short that keeps blowing fuses can often be a real headache.
You should get a test light and start tracing wires in your door panel.
50 amp fuse b 2 provides power to the locks tail lights sunroof if you have one stop lights tailgate fog lamps if equipped and interior lamps.
Suggest starting w power lock solenoid and see if it is drawing too much current and blowing fuse.
Power door lock fuse keeps blowing.
Find out why a lack of any movement in door locks is most likely a result of a blown.
Slightly easier you could also inspect the wiring for a short very low resistance to ground and trace the short.
This will be tedious but may id source of current draw.
1997 chevrolet c3500 ive recently had the dash apart to fix the defrost diverter.
Ive disconnected the brake controller the cig.
Systematic troubleshooting procedures are needed along with a good.
I hooked up my camper and a few mile down the road i could smell electric burning.
Which blew the fuse within 15 miles.
Haven t found the door lock relay itself yet however.
There are three primary components of the power door lock system that can fail resulting in a useless power door lock.
You probably have a wire shorted to ground somewhere.
Power door locks are prone to failures due to electrical interruptions corrosion broken wires or blown fuses.
A fuse is a low resistance resistor that creates overcurrent protection.
My door lock and window lock keep blowing my fuses it is blowing fuses for a reason.
Essentially the fuse takes a large amount of electrical current and converts it into a smaller more manageable amount of current that the door lock actuator can have.
The door locks also get power from the fuse relay panel under the hood on the drivers side.