HVAC Blower Motor Resistor Harness. 2007 Chevrolet Silverado 3500 Classic Engine: 6.0L V8; Blower Motor Resistor Pigtail;. HVAC Blower Motor Resistor Connector. 2007 Chevrolet Silverado 3500 Classic Engine: 6.6L V8; Blower Motor Resistor Pigtail; w/ Manual AC;.
