Suggestion on how to proceed.
1. Lay the AAW aside. Don't worry about it right now.
2. Don't worry about the ignition switch or gauges.
3. You will have several things on the Painless AND the AAW that don't apply, redundant, optional and will not be used.
4. After you are done with painless, get the motor started to be sure all is well. After painless install we will see what tne motor needs for just a test start.
5. Then do what is needed from the AAW...... gauges, lights, Light switch and accessories.
6. You ask about distributor wiring, I don't think you have one, do you?
So...did this motor run? Do you know if it runs for sure? What happened to it's harness? What trans are you using.
I am not a Vortec, computer controlled guy, but since you are using a new harness and if you know the motor runs, that helps.
You probably will have two fuse boxes to mount. I will help as you go along, one phase at a time, if I can.
In my opinion it is critical to get motor running. With that motor in a 70 truck, you could have all kinds of issues'
Related to inputs:
Evap sensors and etc.
VSS
Gas tank vapor sensor
Canister vent
Canister purge
Programming
OBD
O2 sensors
I never think it is worth it to put that kind of V8 in. Lots of folks do however.
Last edited by bartamos; 07/06/2025 8:27 PM. Reason: clarification