WARNING: This page is about a different car, the 2003 Mercury Mountaineer and 2003 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Front Blower Motor Speed Control Module C271 (1 Of 2)
Courtesy of FORD MOTOR CO.
Fig 2: Identifying Front Blower Motor Speed Control Module C271 (2 Of 2)