HVAC Blower Motor Relay. 2004 GMC Canyon Engine: 2.8L L4; 4 Pin Relay No Shroud;. 2004 GMC Canyon Engine: 3.5L L5; 4 Pin Relay No Shroud;. 2005 GMC Canyon Engine: 2.8L L4; 4 Pin Relay No Shroud;. 2005 GMC Canyon Engine: 3.5L L5; 4 Pin Relay No Shroud;.
