So, even though bartamos gave a thumbs up to my wiring scheme, I still dislike doing wiring under the dash. Having the seat out and a big piece of foam on the floor did help my aching back though.

Thanks bartamos.

Oldbolter
1959 Apache 3800 dually flat bed/dump with 261
1956 3800 dually flat bed/dump with 235
1957 3600 flat bed, 350 engine, 700R4, PS, disc brakes, 14 bolt rear with 4.11 gears