July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!
Main Control Valves
WARNING: This page is about a different car, the 2003 Ford Windstar. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Locating Main Control Valves Components (1 Of 2)
Courtesy of FORD MOTOR CO.
Fig 2: Locating Main Control Valves Components (2 Of 2)