HEATER CORE on 2002 Chevrolet Silverado 1500

While looking at the fire wall and the hoses running to the heater core, can someone tell me what hose is coolant entering the heater core and which hose is the exit?

Asked by for the 2002 Chevrolet Silverado 1500
1 answer
DEPENDS WHETHER YOU HAVE REVERSE FLOW OR STANDARD, MOST THE IN IS THE ONE FROM THE ENGINE