The older models did have right and left separated fused systems, the newer models have a front and rear fuse separation...If you have power in the connector (check it with a test light), you can try controlling your rear windows by connecting the powered pin to the wire that goes to the window motor (I think that the 190 has the changeable power/ground system to run the windows up and down). There is a brown ground wire and a gray/blue illumination wire in the connector; don't shortcut the power to these. If I remember correctly, the wires to the motor are something with black (first wire) and green (second wire)...
Bypass the switch and shortcut the power to the windows...
with a minor 600+k