I don't know if this matters but with the a/c still running I can touch the clutch a couple of times and it will start spinning again but if I try to drive the truck again after ive got it to soin it kicks back off.
A/c clutch assembly needs replaced.
it is not recommended to put your hand near ac fan clutch, or pulleys, belts etc. You could loose a finger or something, so for everyone that reads this. Do not try that. Remember safety first.
Search GMC Sierra 1500 Questions
GMC Sierra 1500 Experts