passenger side window wont work

[1984 Regal 327]

im having a problem with my 84 regal , i changed the window motor, all new wiring and its still not working , ive tested it and i got power to both the switch and the motor. drivers side works fine?

 

[468monte]

Have you manage to find what was the problem I'm in the same boat

 

[1evilregal]

clean the metal where the regulator assy mounts to the door, also the black wire that grounds to the door panel... sounds like you've developed a grounding issue...