Power Door Lock Fuse Keeps Blowing

Power door locks that do not function are another common symptom for a problem with the door lock relay.

Power door lock fuse keeps blowing. Fuse to suburban cigarette lighter power locks keeps blowing. Ive recently had the dash apart to fix the defrost diverter. When i got home i noticed the fuse for the door locks was blown. Which blew the fuse within 15 miles.

And the fuse blows as soon. 4 people found this helpful. Usualy the door wiring is damaged but there may be more then two cigarette lightes depending on the model. I hooked up my camper and a few mile down the road i could smell electric burning.

Ive disconnected the brake controller the cig. Maybe one of the lock actuators or a switch. If you caught it early enough you may be able to clean it up with dielectric grease a must have for working on car electrical systems. Best answer mark helpful.

Once the switches corrode you will keep blowing fuses until you either remove the corrosion or replace the switch. Does it blow the fuse if so sounds like possibly a door lock actuator is going out and sticking causing the fuse to blow. To test disconnect all locks and switch then replace fuse if don t blow start with driver door and reconnect lock check fuse see if it blew if not reconnect switch active lock check fuse see if ok. If the power door lock relay fails it will cut off power to the entire power door lock.

Iv since had the dash back apart and replaced the door lock relay. Replace fuse then press the lock button from inside vech what happens. 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.

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