SOURCE: 2004 tahoe
make sure than you have not split any fluids on the passenger front door most of the times is where the module to control the windows and doors is located, try by unpluging the batterie and the after a minute plug it back and see what happend but if any of your ft doors have been split with liquid or rain has gone inside then most likelly the module got moisture and not working
SOURCE: 2000 Safari, power locks,Rear dutch door wont unlock,
can you use the key its self on the rear door. what i mean is not using the remote but actually using the key?
SOURCE: Power Door Lock Problem
The last post by maddog1321 was exactly what I had with my right rear door. The electric locks would not lock and unlock, and you almost couldn't do it manually without my feeling I was about to break something. I took the door panel off, oiled everything and got no relief. Finally, I saw the above post and drilled out the aft-most pop-rivet. THE WINDOW WORKED PERFECTLY! I didn't drill out the forward (closest to the handle) pop-rivet because I wanted to do one at a time so the solenoid would not fall out of place. I then put a new pop-rivet in place of the one I drilled out. I then reinstalled everything and the locks work like new.
SOURCE: Yukon xl rear door won't unlock and there is no manual lock.
I fixed mine by using fine steel wool to clean the brass contacts located at the right upper door frame on the right door as viewed from the rear of the vechicle.
SOURCE: 2000 GMC safari Power locks will not work + cant unlock back door
This could be a problem with your primary switch in the driver's door. Everything passes through that switch. Verify voltage continuity to the switch (Haynes or Chilton will give you a conclusive wiring schematic), and you must also verify that the switch itself is not faulty. Using a DMM (digital multi meter), measure the resistance (ohms) between 2 contact points, then hit the switch and verify that this number increases.
Jaguar 2000-06 - Locks & Lock Systems
Power Door Locks - Removal & Installation
Door Lock Switch
Door Lock Diagnosis & Testing
Fig. Removing door lock actuator
Fig. Removing door lock motor-Sedan
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