Power Door Lock Fuse Blowing

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.

Power door lock fuse blowing.

Systematic troubleshooting procedures are needed along with a good. 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. Remove door panel and route current flow through multimeter rated for 20a.

When i got home i noticed the fuse for the door locks was blown. A fuse is a low resistance resistor that creates overcurrent protection. Finding the source of a dead short that keeps blowing fuses can often be a real headache. This will be tedious but may id source of current draw.

Ive disconnected the brake controller the cig. My door lock and window lock keep blowing my fuses it is blowing fuses for a reason. Iv since had the dash back apart and replaced the door lock relay. The door locks also get power from the fuse relay panel under the hood on the drivers side.

Power door locks are prone to failures due to electrical interruptions corrosion broken wires or blown fuses. 1997 chevrolet c3500 ive recently had the dash apart to fix the defrost diverter. You should get a test light and start tracing wires in your door panel. Power door lock fuse keeps blowing.

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. Worked fine for a week until i hooked up my camper again. 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.

Haven t found the door lock relay itself yet however.