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 Rear Auxiliary Climate Control Assembly
Courtesy of FORD MOTOR CO.
Fig 2: Rear Auxiliary Climate Control Assembly Table (1 Of 2)
Courtesy of FORD MOTOR CO.
Fig 3: Rear Auxiliary Climate Control Assembly Table (2 Of 2)