Normal Operation
WARNING: This page is about a different car, the 2005 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
Under normal operation the driver window control switch provides power to the power window motor through circuit 991 (TN/LB) and ground through 992 (WH/BK) to operate the driver window downward and power through circuit 992 (WH/BK) and ground through 991 (TN/LB) to operate the driver window upward.