C 1500 Truck 2WD V6-4.3L VIN W (2001)
6. Connect the IAC valve harness connector.
7. Install the air cleaner outlet resonator. Refer to Air Cleaner Outlet Resonator Replacement.
8. Perform the IAC Reset procedure:
8.1. Turn ON the ignition, with the engine OFF, for 5 seconds.
8.2. Turn OFF the ignition for 10 seconds.
8.3. Start the engine and check for proper idle speed.