Don't worry about KAM, it's not relevent if you can't even crank the engine under normal conditions.

Your primary symptom is "no crank". That means you need to focus on the starter circuit and its power feeds first.

Here's the circuit drawing: 1997 F150 Starter Circuit.pdf

Again, specifically, does the CEL come on or not during initial prove-out?

Automatic or manual transmission?

Also, check fuse F20 in the underhood fuse panel. If it blows or its circuit otherwise opens, you will loose starter function and all PCM power (which also keeps the fuel pump from energizing). Just in case, here's something else that might come in handy: 1997 F150 Power Distribution.pdf

Steve