67 key Switch- No 12Ga Brown Wire?
I am looking at hooking up a keyless entry push button start in my 67.
I have a wiring diagram and it shows a 12ga Brown running from the key switch to the fuse block to power up backup lights, blower fan and wiper motor. On the back of my keyswitch and harness to the fuse block there is no 12ga brown. Only the smaller brown/white for the external voltage regulator. Did some Base c10s not use this wire and those circuits are powered through a different method? I am just trying to figure out how power is switched on to those circuits. The key switch and harness only have the Red for power to the switch pink to the coil, 2x Tan and 2x green for the grounding dash lights, purple to the starter and the brown/white for voltage regulator. I can't imagine that all the power is sent a long that small gauge brown/white? What am I missing? Harness looks untouched. Only think I can think of is the pink is also powering that circuit...
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