The 3-speed would have a column shift system, unless it's a considerably older transmission than the truck. I don't think I've ever seen a 3/4 ton truck with a factory-installed 3 speed. If it has a 3-speed with a floor shift, you've really got an oddball rig.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!