Gentleman, these three wires are right behind the alternator pulled out of the wire loom. I have never figured out what they are for or the other end of them. Two are yellow one looks appears to be gray. There were several toggle switches ran into the car when I bought it. I don't recall if this was one of them. I was thinking Alt booster? Let me know what you think. I used to have the full schematics, not anymore.
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