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Home >> Ford >> 1998 >> Econoline Custom >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Heater System) >> Operation >> Function Selector Modes >> Mix
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Function Selector Modes: Mix

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In this mode, outside air is allowed into system. Vacuum is not applied to outside/recirculated air and panel/defrost vacuum motors. The panel/defrost and floor/defrost vacuum motors receive partial vacuum, allowing equal outlet airflow. Blower motor speed and temperature can be adjusted to desired settings.