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I have a '54 F100 (12 volt) with a broken wiper switch from some other vehicle. The wiring at least looks right according to all diagrams I've seen, with F, A, P, and B terminals connecting to the green, red, and black wires from the wiper motor, and the yellow from the ignition switch.
However, the "correct" wiper switch that I just bought has a P and (2) B labeled terminals, and 3 other terminals labelled H, W, and L. Any idea how the red A wire and the green F wires from the wiper motor connect to the H, W, and L terminals on the switch??? (or do I have the wrong kind of new switch?)