Not getting 12 volts to coil

In tracing wires back to wiring diagrams, I found out my car has the wiring for a different engine, so I'm sort of in shock and that that bulkhead cleaning for 1 extra volt doesn't matter anymore. There's actually two modules of six wires each (including the dark blue wire to the + coil), I don't even have.
Can you explain more? Post pics?
In the shop manuals there are diagrams for rally dash equiped cars and a seperate set for non-rally dash cars. The bulkhead connectors are different.
I'm not familiar with the e-body wiring and how things were done differently for different options.
The only wiring diffferences we see in the shop manuals due to engine options is generally for the 426 Hemi cars.

It is completely possible there are errors or undocumented options in the shop manuals.
For example there's at least two or three threads here at FABO about undocumented windshield wiper motor wiring for the 1967 cars.