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HVAC Control Assembly

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The HVAC control assembly is a non-class 2 device that interfaces between the operator and the HVAC system to maintain air temperature and distribution settings. The ignition 3 voltage circuit provides power to the control assembly. Two integrated potentiometers control air temperature door position and blower motor speed. The integrated vacuum system controls the mode door position. The control assembly supports the following features:

Fig 1: HVAC Control Assembly Features
G01269606Courtesy of GENERAL MOTORS CORP.