1975 GMC G25 w/ AC;. HVAC Blower Motor Resistor. 1976 GMC G25 w/ AC;. 1977 GMC G25 w/ AC;. 1978 GMC G25 w/ AC;. Resistor Block. IMPORTANT: To confirm that this part fits your vehicle, enter your vehicles Year, Make, Model, Trim and Engine in the Compatibility Table.
