Heater control valve is located at rear of engine bay passenger side near heater core hoses. Also when i remove the hose going to the. We sell oem vintage original cadillac parts with the largest inventory and over 20 acres of cars from 1950 2016. 
				
			
										61 falcon floor pans
											65 x 24 bathroom rug
											2011 gmc terrain headlight bulb change
											6x7 outdoor mat
											2 tier liquor bottle shelf
											20 gallon stainless steel trash can
											6x8 area rugs beige
											2010 hyundai santa fe low beam bulb