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I'm not sure if I have power to the switch. I used my multimeter. I put it on 20 volt DC current, touched the red probe to the hot red power wire and the black probe to the ground on the headlight plug terminals, nothing happened. I put my multimeter on continuity, I touched the red probe to the ground terminal plug and the black probe to bare metal and I have continuity thru ground. I put the red probe on the hot red power wire and the black probe to bare metal and i have continuity from power to ground also. So I'm not sure if I have power to the switch or if something is shorted.
...I'm guessing that the bulkhead connector is the same thing as the engine compartment backside of the fuse block?