How to fix door lock wiring/signal?

Discussion in '2005+ Ford Mustang v6 4.0L Tech' started by Scott88, May 25, 2020.

  1. Scott88

    Scott88 Junior Member

    Both the remote and door button will lock both doors, but they will only unlock the passenger door. The driver door will only unlock with the key or by pulling the inside door handle. I replaced the lock actuator, but that wasn't the problem. Any ideas?
  2. nawagner

    nawagner forum member

    Find a wiring diagram and see if the actuator unlock wire on the drivers side is getting voltage. You can also try applying voltage to see if it actuates. Should be 12V. It is also possible it is the switch on the drivers side. The circuit may go through the switch. I don't recall if the switches are the same for each side. If they are swap and see what happens.
    Scott88 likes this.
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