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Function Selector Switch

WARNING: This page is about a different car, the 2003 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Function Selector Switch
G03446905Courtesy of FORD MOTOR CO.
RESISTANCE SPECIFICATION

Function selection Continuity between electrical pins
MAX A/C 1,2,3 and 4
PANEL 1,2 and 4
PANEL/FLOOR 1,2 and 4
OFF None
FLOOR 1,2 and 4
FLOOR/DEFROST 1,2 and 5
DEFROST 1,2 and 5