K 1500 Truck 4WD V8-6.0L VIN U (2001)
4. Disconnect the accelerator control cable and the cruise control cable from the throttle body.
5. Remove the upper engine wire harness retainer nut.
6. Disconnect the evaporative emission (EVAP) purge valve harness connector.
7. Reposition the upper engine wire harness aside.
8. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure.
9. Identify the connectors to their corresponding injectors to ensure correct sequential injector firing order after reassembly.
10. Pull the top portion (2) of the injector connector up. Do not pull the top portion of the connector past the top of the white portion (1).
