Quote:
Originally posted by Tom Sweeney
Frank,
If I remember correctly when I had the problem with mine, the pump in the trunk provides vacuum to pull the lock down and supplies pressure to push the locks up when the driver's lock is actuated. When you lift the driver's side door lock, all of the locks should raise. There are wires at the driver's lock which signal the motor in the trunk. It sounds like your motor is supplying vacuum when the driver's lock is unlocked. You can disconnect the tube where it exits the pump in the trunk and check this. I believe that you indicated that you have a vacuum/pressure guage.
Tom
82 SD
86 SDL
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Now wer're getting somewhere! While I think I have a leak in the passenger front, either way I'm going to do some testing this weekend on the voltages, etc.. at that pump connector.
Thanks for the info, this will help a lot in troublshooting.
Frank.