Silverado 1500 2WD V6-4.3L (2007)
33. Connect the engine wiring harness electrical connector (2) to the throttle body.
34. Position the heater inlet and outlet hoses.
35. Open the heater inlet hose clamp and install the hose to the water pump.
36. Open the heater outlet hose clamp and install the hose to the intake manifold.
