My blower wont work at all

Heater blower? Well it's either the switch or the blower motor. Probably the motor if you use heat or AC often, and it's happening intermittently. Test the motor with an outside power source (like another car battery), I bet it acts screwy. It may just be dirty, depending on where you drive, or some small animals could have made a home in there. Hopefully nothing has come undone in your dash, that's a mess.

Go pick up a $20 Chilton or Haynes manual for your truck, that will help greatly, it's worth the cash.

Good luck!