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The rear window will does not get voltage at the motor when the control button is pressed. The voltage appears when the button is pressed for window up. The relay on teh drivers side rear operates both ways, i.e. relay click.   Am I looking for a reverse in polarity on the same pin?  

Talked to the dealer since the Chilton manual di not have the rear window switch displayed int eh schematics. Parts dealer gave me picture of shop manual schematic indicating a wiper return position and analog/digital schematic that has multiple safetys. Thanks for your help.