I wired my A-100 from scratch using quality wires and modernized components. I would suggest against doing it, because of the cost. Get a good kit with GXL wires and good fuse block, and modify it.

Good luck,
Ran

"Hey mister, something's wrong with your car, it idles roughly" - number one comment I got in Israel when daily driving a 70 Barracuda with a lopey cam.

Currently working on - 1966 Dodge A100 van 318/auto
Finally - disc brakes on the front.
In the plans - rear disc brakes, B&M 250 blower