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.
The function selector lever can be placed in OFF, VENT, FLOOR, DEF/FLR and DEF positions. The position of function selector lever determines whether function doors are open, partially open or closed. Function doors direct airflow to selected outlets. The 3 function vacuum motors and doors are outside/recirculated air, panel/defrost and floor/defrost.