Notes: HVAC Blower Motor Resistor -- Blower Motor Resistor. 1995-1999 GMC K1500 5.0L V8. 1995-1999 GMC K1500 5.7L V8. 1995-1998 GMC K1500 4.3L V6. 1995-1998 GMC K1500 6.5L V8. In earlier vehicles, they are used to directly turn the compressor off to avoid compressor failure.
