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The question then was: can I make my passenger side window auto-down, like the driver's side.
The short answer:
No.
The longer answer had something to do with how a power window circuit "knows" when to stop. It has something to do with a current sensing device that can tell the motor is trying to move the window, but is unable to do so...and it shuts the motor down, secure in the knowledge theat auto-up/down has finished.
You would need a separate circuit to monitor the passenger side.
I wouldn't want to wire both windows to the same circuit. Imagine a scenario where it's raining, but you have to roll down the driver's side (to order at a drive-thru, to pass through a security gate, to brandish a weapon to the driver in the next lane (just joking!)...
It's bad enough to have to get rain in one side of the car. If both were wired together, it'd be worse.
I'd have to say you'll have to accept the finger exercises, unless you want to do a little engineering work.