In most cases the window is not stuck. The fact is, the tailgate is not make enough contact with the sensor(s) that prevent you from rolling up the rear window when the tailgate is open.
To roll up the window, first try shutting the tailgate with some force, as opposed to lightly, to ensure that it is shut well enough to make contact with the sensor.
If the window still will not roll up, with the tailgate closed, push forceably on the upper drivers side corner of the tailgate, while you turn the key to roll up the window.
If this does not work, start checking the typical electronics, fuse, wiring, etc...
To remove the window in the rear hatch of a 1989 Ford Bronco, the weather stripping around the window will have to be pulled back or pushed down slightly. This can be accomplished with a straight screwdriver or a putty knife.
Buy an aftermarket of OEM Ford manual.
If its the bronco XLT you'll have to take the tail gate paneling off the inside. The motor, gears, etc. for the rear window are located in there. I had the same problem with mine sometime back.
check any bronco group web site, membership is usually free and they have all the schematics for the back window wiring and more
It is located in the rear tailgate. Remove the inner panel and the support bracket on the right hand side to see it.
On a 1995 Ford Bronco : The rear gears are INSIDE the rear differential ( pumpkin ) located in the middle between the 2 rear wheels
jeff's bronco graveyard.com
A person a can open the rear door from the inside. Get into the car from another door that will open and open it from the there.
Sure, turn it sideways and push it in the back hatch
How do you install a rear sliding window on a 2000 Ford Ranger?
I have a 91 bronco and I've had problems myself with the rear window. First check the fuse panel to see if the fuse for the rear window is blown. I believe its a 20 amp. Also if the interior switch and the key switch on the tailgate both dont work, try pushing in on the tailgate while trying to move the window down or up
Turning the window crank in a counter clockwise direction, the window will go down, reverse direction to raise it. If you are speaking of the rear window the switch is on the a/c control panel. Down makes the window go down and up is up