How about a few more details about the problem? Is the starter turning but not spinning the engine, or is the starter drive engaging and the flywheel refusing to turn? How about putting the transmission in high gear, and see if the engine turns when you push the truck? If not, something's locked up- - - -maybe a cylinder full of water or gasoline?
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!