Part Type: HVAC Blower Motor Resistor. HVAC Blower Motor Resistor. Motor Resistor. 1973 GMC C15/C1500 Pickup w/ AC;. Manufacturer: Four Seasons. 1974 GMC C15/C1500 Pickup w/ AC;. To confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in theCompatibility Table.
