Power Door Locks
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Trying to troubleshoot the power door locks on the 98 TA I just purchased. Neither the driver or passenger lock will lock or unlock powered. Both switches will make a clicking sound both when pressed in the vicinity of the BCM. I believe car had an aftermarket alarm system that the previous owner removed before I bought it, so could he have done something to screw with the locks? I doubt that both actuators are bad, so I suppose I'll open up the passenger kick plate and take a look at the BCM. Any ideas?
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If you suspect the previous owner had an aftermarket alarm system i would check the ground side of the power door lock circuit. the driver, passenger switch and bcm share a common ground. they could have tapped the circuit there.
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Well just as I thought there were two wires cut at the BCM. One was the lock and the other unlock so of course the locks wouldn't work. I assume there was a quick aftermarket alarm removal. Spliced em back together and taped them and wala door locks now work.