Power Door Lock Fuse Blowing

Finding the source of a dead short that keeps blowing fuses can often be a real headache.

Power door lock fuse blowing.

Haven t found the door lock relay itself yet however. A fuse is a low resistance resistor that creates overcurrent protection. Iv since had the dash back apart and replaced the door lock relay. Suggest starting w power lock solenoid and see if it is drawing too much current and blowing fuse.

Find out why a lack of any movement in door locks is most likely a result of a blown. I hooked up my camper and a few mile down the road i could smell electric burning. You probably have a wire shorted to ground somewhere. The door locks also get power from the fuse relay panel under the hood on the drivers side.

1997 chevrolet c3500 ive recently had the dash apart to fix the defrost diverter. There are three primary components of the power door lock system that can fail resulting in a useless power door lock. Ive disconnected the brake controller the cig. You should get a test light and start tracing wires in your door panel.

Power door lock fuse keeps blowing. Power door locks are prone to failures due to electrical interruptions corrosion broken wires or blown fuses. Remove door panel and route current flow through multimeter rated for 20a. Which blew the fuse within 15 miles.

When i got home i noticed the fuse for the door locks was blown. 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. This will be tedious but may id source of current draw. Systematic troubleshooting procedures are needed along with a good.

Slightly easier you could also inspect the wiring for a short very low resistance to ground and trace the short.