Power Door Lock Fuse Blowing

Find out why a lack of any movement in door locks is most likely a result of a blown.

Power door lock fuse blowing.

I hooked up my camper and a few mile down the road i could smell electric burning. Power door locks are prone to failures due to electrical interruptions corrosion broken wires or blown fuses. 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. Finding the source of a dead short that keeps blowing fuses can often be a real headache.

Iv since had the dash back apart and replaced the door lock relay. Remove door panel and route current flow through multimeter rated for 20a. Worked fine for a week until i hooked up my camper again. Systematic troubleshooting procedures are needed along with a good.

My door lock and window lock keep blowing my fuses it is blowing fuses for a reason. The door locks also get power from the fuse relay panel under the hood on the drivers side. Haven t found the door lock relay itself yet however. You should get a test light and start tracing wires in your door panel.

Power door lock fuse keeps blowing. 1997 chevrolet c3500 ive recently had the dash apart to fix the defrost diverter. Which blew the fuse within 15 miles. Slightly easier you could also inspect the wiring for a short very low resistance to ground and trace the short.

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. 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. This will be tedious but may id source of current draw.

Ive disconnected the brake controller the cig.