318 auto to a 340 4 speed swap - electrical help

[rusty]

After 6 months of hard work I finally have finished the swap on my 70 Challenger - removed the 318/auto and installed a 340 4 speed. I have been looking over the schematics trying to figure out how to hook up the 4 speed neutral switch or to just bypass it for now so I can start the car. Any E-Body electrical experts out there?
I have the 3 lug harness that use to go to the trans and have tried a few variations of hooking the wires together byt she still wont turn over the starter - Dead

 

[moparleo]

You can either run a jumper from the center of the 3 wire plug to ground, or go to the starter relay next to the battery and run a wire from the ground or "G" terminal to a ground, like the inner fender.

 

[rusty]

Thanks - any idea how to wire the original 3 wire set up to the new 2 lug sender on the 4 speed trans?