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. Which blew the fuse within 15 miles. Find out why a lack of any movement in door locks is most likely a result of a blown. Ive disconnected the brake controller the cig. A fuse is a low resistance resistor that creates overcurrent protection.

There are three primary components of the power door lock system that can fail resulting in a useless power door lock. You should get a test light and start tracing wires in your door panel. Remove door panel and route current flow through multimeter rated for 20a. The door locks also get power from the fuse relay panel under the hood on the drivers side.

Finding the source of a dead short that keeps blowing fuses can often be a real headache. Systematic troubleshooting procedures are needed along with a good. 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.

1997 chevrolet c3500 ive recently had the dash apart to fix the defrost diverter. You probably have a wire shorted to ground somewhere. This will be tedious but may id source of current draw. Worked fine for a week until i hooked up my camper again.

When i got home i noticed the fuse for the door locks was blown. Iv since had the dash back apart and replaced the door lock relay. Power door lock fuse keeps blowing. My door lock and window lock keep blowing my fuses it is blowing fuses for a reason.

Haven t found the door lock relay itself yet however.