Since the wiper in my 444 doesn't work and I am changing to 12 volt, I am trying to figure if I can use the original 6 volt switch to power the 12 volt motor. The switch is 2 position. In connects 31b green to 31 black. Out connects 54d red to 54 blue. I have two SWF 12 volt motors. One is from I believe a p1800 and has the four tab connectors 53, 31b, 53a, and 31. The other has no tab connector on position 53 but has a resistor or diode soldered to 53 and 31b. On either of these motors, if I connect constant 12v to 53a and ground to 31 it will run when I connect 12v to 31b and return to park when I remove it but I know this is not the way Volvo wired them and I don't want to ruin anything.
Advice greatly appreciated.
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