The rear door goes through a lot of vibration everytime you open/close it. Taking the panel off and checking the connector to the motor would be a good idea. Sometimes the connector may have got loose over the years of "banging". Be caraful when you take of the panel as the palstic gromets tend to break of easily.RAV99 said:I have a 1999 4DR with power locks. The drivers rear door won't lock/unlock with the switch but works fine manually. Any ideas? Will I need to take a door panel off?