program a new key fob to a 1995 truck
your local dealer will have the correct scan tool to program it for you- they may or may not charge you for it, depending on your relationship with them- 1/2 hour charge is reasonable.
There is a way to do it yourself just search for programming your key fob lots of helpful info I did mine on my 1998 Silverado
Search Chevrolet C/K 1500 Questions
Chevrolet C/K 1500 Experts