A/C wiring?
I have put a factory a/c system in my 72. The fan switch has a 4 prong plug but only three wires out of it, one has been removed. There is a blue, orange, and yellow. The factory non a/c wiring harness has a brown wire that goes to the heater control. Is this the one that should go to the a/c control? Could someone tell me the color of the wires that go to there a/c fan switch. thanks
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