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Ok need some help. i swapped the full 4 door window and door lock harness from the xj to the mj. Swapped the power lock actuator and the power window motor into the mj drivers door. Swapped the drivers door switch from the xj into the mj, plugged it in, plugged in the power lead to the fuse panel, gave the buttons a try. Nuthin! So of course I think well both sides must need to be attached. Yeah thats a feasible explanation(thats the way it always works in my head)! so stripped down the passenger side door in the xj and stripped the mj p. door. then instead of installing the motors and guts actually into the door, I just plugged everything in. Oh Yeah this is gonna be cool! Thats what i was hoping. But if I actually thought it was going to work- then why didnt I put it all into the mj door and then plug it in? Because it didn't... So diagnostics: I have power to the rt. side switch and power to the left side switch(pictured above). I also have power as indicated in pic below, to the window motor connector in both up position and down position. So can some one give me a clue as to why neither the window motors or the locks are responding when they are receiving power. the drivers side is completely installed but the pass side is laying on the floor board and connected. Is this a ground problem? if i install the pass side components will that connect the ground? I know the gound switches paths as buttons are pushed but where does it actually make the circuit to ground? I know others have done this swap and it was basically plug and play after the harness was swapped in. I have little hair left to pull out...