Power Door Lock Fuse Blowing

A fuse is a low resistance resistor that creates overcurrent protection.

Power door lock fuse blowing.

This will be tedious but may id source of current draw. I hooked up my camper and a few mile down the road i could smell electric burning. Finding the source of a dead short that keeps blowing fuses can often be a real headache. 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.

Which blew the fuse within 15 miles. There are three primary components of the power door lock system that can fail resulting in a useless power door lock. 1997 chevrolet c3500 ive recently had the dash apart to fix the defrost diverter. 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. Iv since had the dash back apart and replaced the door lock relay. Ive disconnected the brake controller the cig. Power door lock fuse keeps blowing.

Power door locks are prone to failures due to electrical interruptions corrosion broken wires or blown fuses. Worked fine for a week until i hooked up my camper again. Slightly easier you could also inspect the wiring for a short very low resistance to ground and trace the short. You probably have a wire shorted to ground somewhere.

Find out why a lack of any movement in door locks is most likely a result of a blown. Haven t found the door lock relay itself yet however. The door locks also get power from the fuse relay panel under the hood on the drivers side. Remove door panel and route current flow through multimeter rated for 20a.

Suggest starting w power lock solenoid and see if it is drawing too much current and blowing fuse.