Fuse to suburban cigarette lighter power locks keeps blowing.
Power door lock fuse keeps blowing.
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.
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Iv since had the dash back apart and replaced the door lock relay.
Usualy the door wiring is damaged but there may be more then two cigarette lightes depending on the model.
If the power door lock relay fails it will cut off power to the entire power door lock.
Best answer mark helpful.
Ive recently had the dash apart to fix the defrost diverter.
I hooked up my camper and a few mile down the road i could smell electric burning.
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.
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.
You have a short somewhere in the system.
Which blew the fuse within 15 miles.
When i got home i noticed the fuse for the door locks was blown.
Unplug cigarette lighter check circuit unplug each door individualy at first don t forget the back doors check circuit.
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.
Power door locks are prone to failures due to electrical interruptions corrosion broken wires or blown fuses.
Replace fuse then press the lock button from inside vech what happens.
Ive disconnected the brake controller the cig.