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Home >> Chevrolet >> 1977 >> Vega Estate, Automatic Trans >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Automatic Temperature Control >> Components & Functions >> Programmer >> Feedback Potentiometer
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Feedback Potentiometer

Indicates to the amplifier the position of the temperature door. Movement of the vacuum motor stem changes resistance of this potentiometer.

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