Yep, it's a little stand up.

I checked both the deadman and brake switches, both are opening and closing correctly. I did NOT check the wiring to / from the switches, as I don't have a schematic for the truck and I don't know where the other end of the wires are. I can say that when the main switch is in and the deadman pedal is down, the steering pump comes on reliably, and I don't hear it dropping out momentarily like I expect it would if I had a bad connection or intermittent ground.

That said, I will check the terminals on the EV100 and let you guys know what I see.

THANKS AGAIN EVERYONE!