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Home >> Pontiac >> 1971 >> GTO Base, 6.6L Eng, Eng CD WS, Automatic Trans >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Automatic Temperature Control >> Operation >> Control Head Selector Lever >> Lo

Control Head Selector Lever: Lo

If in-car temperature is approximately 80°F. the system will be operative when the ignition switch is turned on. If less than 80°F. the system will come on when engine water temperature reaches 120°F. Blower will operate only at low speed and conditioned air will flow from A/C or heater outlets or both.

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