Turning the key to start the truck, I hear a click and nothing else?

This is common when you have a bad connection at the battery or the starter motor is going out, but to be sure let's check the battery cables first.

This guide can help:

https://www.2carpros.com/articles/everything-goes-dead-when-engine-is-cranked

If the cables are okay, use this guide to check for power at the trigger wire when the key is in the crank position:

https://www.2carpros.com/articles/starter-not-working-repair

Please go over these guides and get back to us.