Assuming you lost the keys, write the vehicle identification number down on a piece of paper, take that and proof of ownership to your local Chevy dealer and they can reproduce new keys for you.
The easiest way to unlock a door on a Chevrolet Silverado pickup truck is to use a key. In the event you do not have the key you may have to break a window.
how do you install spring on interior door handle of a 98 chevy pickup
You'll have to take the door trim off and inspect the mechanism. You've probably got a failed cable or linkage.
Use the key.
1967 to 1971 will interchange. 1972 will fit but has different inside door panels and hardware.
Remove the door panels
Replace door moulding
take door panel off
drivers side door jamb
The key.
Remove the fuse or the relay.
How do you change the door hinge pins and bushings on a 2002 GMC 1500 pickup truck?"