Wired my ignition switch, then disassembled the harness to re-route all the starter/alternator wires over to the right side of the firewall.
Tomorrow I have to figure out how to raise this truck off the ground to run wires on the frame. Now that I have the front bumper and running boards on, it's too low for a floor jack to go underneath, and of course it doesn't run yet so I can't roll it up on a block to gain clearance. Hmmm....