drivers door wiring to window master switch

[aybreeze4u2]

I have a 95 240 sx and the driver door was changed in body shop but on return all painted nice drivers window would not operate they told me switch was bad and I did not want to give them another$325 to replace
I removed panel and unplugged switch it tested bad ! I can get a 96-98 switch but my door locking switch is on the passenger door not the drivers door I looked at the schematic but I still do not understand if the later one will plug in?
I also see a spare white plug coming of the harness is that just for testing

[aybreeze4u2]

I have already downloaded manual but cannot understand diagram or work out what the other plug on the harness is for ?