U-pull-it crossed my mind. The problem is the wires are weathered.
My truck used to be a farm truck so it was never washed. I may end up U-pull-it because I could lay all the wires out and do them one at a time like you said.

I think that is what the Russians did with captured military equipment.
The FANCY term is Reverse Engineering.


250 Integrated Head / 1981 C-10 Pick up.