July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!
Four Wheel Drive (4WD) Control Module C281a
WARNING: This page is about a different car, the 2003 Lincoln Aviator. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Four Wheel Drive Control Module C281a Connector Terminals
Courtesy of FORD MOTOR CO.
Fig 2: Four Wheel Drive Control Module C281a Connector Terminals Specifications