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Home >> Chevrolet >> 1976 >> Chevette Base, Standard Trans >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Automatic Temperature Control >> Components & Functions >> Programmer >> Resistor Assembly
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Resistor Assembly

The printed circuit board switch in the programmer determines which of the resistors will be connected in series with the blower motor, and as in manual A/C systems, the resistors control the blower speed.