Yo,
It happens, to the long time mechanics as well.
Glass Removal from a Junk Yard Bronco; "...Tools you will need, 12v-18v cordless drill, Wire Strippers. What i did was remove the access panel . Find the motor leads ( they should be red and yellow). Strip the end of the leads near the bottom of the tailgate (give yourself as much slack as possible). remove the battery from the drill. touch the motor leads to the battery and listen for movement. If you don't hear something at first try the wires the opposite way. Let the glass come down about half way. Than remove the nuts holding the glass. remove glass and install in your Bronco..."
by Custom_300 at Ford Bronco Zone Forums
Glass Replacement; "...If the motor runs but doesn't move the glass, push the glass up for access. The glass is strong enough to support its own weight fully extended, but no extra weight..." miesk5 note, make sure the tailgate is resting DOWN fully (horizontally) by pushing or sitting on it before pulling glass out by hand (or closing driver side Latch by hand and using Key sw or driver's Dash switch to energize motor) because the TG's Support cables need to fully stretched. I use a standard height saw horse with a blanket folded to support da glass & sliding saw horse under da glass. To extend the glass, I close the driver's side latch's jaws on side of tailgate, I use a ***** driver to close the jaws, so that the glass can be moved by TG Key Switch or Dash Switch to work on internals; when done & window is retracted within the TG, use the Handle to release the jaws & close the TG; & in his #7; "If the motor doesn't run, remove the 4 nuts (2 on each side - see below) that hold the regulator tracks to the glass brackets. Bend the regulator arms down slightly to pull the studs out of the brackets, and then push the glass up. Remember to FULLY lower the glass before lifting or closing the t/g...
The nuts for the glass track are under this fixed support, but the bolts for the regulator will be accessible after the glass is removed.
Url
http://www.supermotors.net/getfile/881999/fullsize/nutsr.jpg
Tag
<a href="
http://www.supermotors.net/vehicles/registry/media/881999"><img src="
http://supermotors.net/getfile/881999/fullsize/nutsr.jpg" /></a>
Img
Thumb
NutsR.JPG
The R nuts are covered by the structure, so a ratcheting boxend is the easiest tool to get at them. Alternatively, this hole could be enlarged and another drilled above the other nut for socket access.
"
http://www.supermotors.net/registry/2742/12689-2
by Steve
He has many pics in there so take time to go thru it.
Of course you know about the regulator arm danger as well as torsion bar.