Normal Operation
WARNING: This page is about a different car, the 2005 Mercury Mountaineer, 2005 Ford Explorer, 2004 Mercury Mountaineer, and 2004 Ford Explorer. 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 circuit 992 (WH/BK) to operate the driver window down, and power through circuit 992 (WH/BK) and ground through circuit 991 (TN/LB) to operate the driver window up.