Yo JEFF,
Tailgate Swapping
Amazingly throughout the number of body style changes from '78 through '96, the tailgate remained nearly the same. You can swap tailgates between all of these years taking note of the following:
I've broken down the 3 major changes into their respective years.
78 - 79 Type A
80 - 82 Type B
83 - 96 Type C
If your swapping within the same "type" it's just a direct swap.
If swapping A & B you have to switch the glass and glass support brackets
If swapping B & C you have to switch latches and striker plates
If swapping A & C you have to switch the glass, glass support brackets, latches & striker plates.
by Mike M (MRM) at his old site via web.archive.net @
http://web.archive.org/web/20050306063447/http://www.medicine.wisc.edu/~mrm/bronco/tailgate.html
Miesk5 Note; In 78-82, both latches have to be closed since the interlock safety switch is mounted in the center mechanism; & their strikes that mount to the body can be interchanged with some effort. The safety switch was moved from the center (tailgate handle) to the left latch by 1983, by our friend here, Seabronc
More TG LINKs in my site @
http://www.broncolinks.com/index.php?index=478
Including;
TG Replacement in an 88 (many photos) BEST PROCESS! Source: by Dustin S (Dustball, Mellow Yellow, Mr. Laser Boy)