Sierra 3500 4WD V8-6.6L DSL Turbo VIN 2 (2004)
11. Disconnect the fuel lines.
12. Remove the fuel line bracket nut.
13. Remove the fuel line bracket from the stud.
14. Disconnect the main engine electrical harness connectors. Lift up on the latches (1) in order to disconnect the connectors.
15. Open the harness clip (2).
16. Remove the main engine electrical harness connectors.
17. Remove the engine harness main electrical connectors bolts.
