Sierra 1500 2WD V6-4.3L VIN X (2004)
14. Disconnect the EVAP canister harness from the purge solenoid valve.
15. Remove the engine wiring harness bracket nuts.
16. Remove the engine wiring harness bracket.
17. Remove the engine wiring harness ground nut and ground wire (4) from the rear of the right cylinder head.
18. Remove the engine wiring harness rear bracket nut at the EVAP canister purge solenoid valve.
19. Remove the stud holding the engine wiring harness bracket.
20. Reposition the engine wiring harness with the bracket aside.