Function Selector Lever
WARNING: This page is about a different car, the 1995 Ford RV Cutaway, 1995 Ford Econoline, 1995 Ford Cutaway, and 1995 Ford Club Wagon. However, it is still accessible from the selected car via links, so may be relevant.
This lever actuates an 8-port function selector valve for controlling vacuum servomotors for floor/defrost door, panel/defrost door and outside/recirculated air door. When it is in OFF position, function selector lever stops blower motor operation. When in A/C position, function selector lever activates A/C compressor clutch.