There is a wiring harness on hinge side of passenger door correct, take a look at the wiring colors. Hope you can read it. At the window switch, the outside wire on either side is voltage or ground depending on which direction, up or down, reversing motor. You don't need the window switch for testing, you should be able to operate from driver door master switch. If you get the wires reversed, the only thing that will happen is, up will be down and down will be up, if that happens, reverse the wires. Just my opinion.
At the window switch, top middle wire is lockout, so only the driver can operate the windows.
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