Power Door Lock Fuse Blowing

Remove door panel and route current flow through multimeter rated for 20a.

Power door lock fuse blowing.

There are three primary components of the power door lock system that can fail resulting in a useless power door lock. Power door locks are prone to failures due to electrical interruptions corrosion broken wires or blown fuses. Suggest starting w power lock solenoid and see if it is drawing too much current and blowing fuse. A fuse is a low resistance resistor that creates overcurrent protection.

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. My door lock and window lock keep blowing my fuses it is blowing fuses for a reason. You should get a test light and start tracing wires in your door panel. 1997 chevrolet c3500 ive recently had the dash apart to fix the defrost diverter.

Finding the source of a dead short that keeps blowing fuses can often be a real headache. When i got home i noticed the fuse for the door locks was blown. This will be tedious but may id source of current draw. The door locks also get power from the fuse relay panel under the hood on the drivers side.

Worked fine for a week until i hooked up my camper again. 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. 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. Power door lock fuse keeps blowing. Ive disconnected the brake controller the cig. Iv since had the dash back apart and replaced the door lock relay.

You probably have a wire shorted to ground somewhere.