For the rear window, crawl in the back, take the cover off the rear door and start poking around. There are a number of things that can go wrong with the wiring/gear/whole darn thing.
remember, there is a safety switch on the driver side that the rear door has to activate when fully closed so then you can work the window. The wiring for that can be accessed behind the cargo area side access panel.
To get my window down, I took the rear door acccess panel off and hot wired the junction board straight to the battery. Got the window down, opened the tailgate and took out the safety switch. that was my issue. Also had the plastic gear break, so I replaced with the brass gear.
remember, there is a safety switch on the driver side that the rear door has to activate when fully closed so then you can work the window. The wiring for that can be accessed behind the cargo area side access panel.
To get my window down, I took the rear door acccess panel off and hot wired the junction board straight to the battery. Got the window down, opened the tailgate and took out the safety switch. that was my issue. Also had the plastic gear break, so I replaced with the brass gear.