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.

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. My door lock and window lock keep blowing my fuses it is blowing fuses for a reason. This will be tedious but may id source of current draw. A fuse is a low resistance resistor that creates overcurrent protection.

Power door locks are prone to failures due to electrical interruptions corrosion broken wires or blown fuses. Systematic troubleshooting procedures are needed along with a good. Worked fine for a week until i hooked up my camper again. The door locks also get power from the fuse relay panel under the hood on the drivers side.

Iv since had the dash back apart and replaced the door lock relay. I hooked up my camper and a few mile down the road i could smell electric burning. Power door lock fuse keeps blowing. Slightly easier you could also inspect the wiring for a short very low resistance to ground and trace the short.

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. Finding the source of a dead short that keeps blowing fuses can often be a real headache. Ive disconnected the brake controller the cig.

You probably have a wire shorted to ground somewhere. Haven t found the door lock relay itself yet however. Suggest starting w power lock solenoid and see if it is drawing too much current and blowing fuse. 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.