Voltage drop at ballast resistor

2....Can you re--describe this? Or photo? Can't "get" what you are trying to convey

All you are doing, here, is providing power from the starter relay stud---which is also a junction point "battery"..........through the fuse.........to the bulkhead. There may be minor variations over the years about the wire "makeup."

I’m sorry did you read through the thread? The issue is trouble shooting voltage drop at a number of locations