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Home >> Ford >> 2006 >> Escape Base, 3.0 1, FWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC Control System >> Description And Operation >> Control Components >> Manual Climate Control >> Control System Inputs >> Function Selector Switch

Function Selector Switch

The function selector switch combines a vacuum selector valve that determines air distribution and an electrical switch to supply battery voltage to the A/C compressor circuit and the blower motor circuit. When the function selector switch is in the MAX A/C, A/C, A/C RECIRC (Hybrid), FLOOR/DEFROST or DEFROST positions, the A/C compressor will be operational. The function selector switch can be installed separately from the climate control head unit.