The window will go down from the front driver side main switch array but will not go back up. I tried a known good switch at the rear door and nothing either way. When I push the upward direction from the front main array, I hear a discernable click from the motor buts that all. My thinking is that the motor is good but that I may have a connection problem (corrosion at the motor plug-in). My question is: where does the motor wiring plug into the power source? It's a very tight spot and as yet can't even see it, let alone get my hands in there to clean the connections. Can I access it without unbolting the motor from the door panel? Thanks for input - Jim