Part Type: HVAC Blower Motor Resistor. HVAC Blower Motor Resistor. 1977 Pontiac Grand LeMans w/ AC;. 1978 Pontiac Grand LeMans w/ AC;. Motor Resistor. Manufacturer: Four Seasons. To confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in theCompatibility Table.
