See the brown text in my original post that says “Wiring diagram”? If you click on that, it will take you to a picture of part of the wiring schematic for a 1962 FJ40.
I’ll post another link to Mark’s site that has a bunch more diagrams:
CLICK HERE TO SEE MORE PIKTURES
Sorry I couldn’t be more helpful. Once the wiring has been replaced with different colors of wire, it’s not really possible to diagnose problems from a picture.
Again, I don’t think you should have a wire from the voltage regulator to the ignition. Power goes from the battery via fusible link...
That's not an original ignition switch, and those aren't all the original wires to the switch. Would originally be BW (Black with white stripe) to starter, BY to ignition and BR from ammeter (not voltage regulator). The ammeter wire is essentially an unfused heavy gauge wire connected directly...
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