Silverado Classic 3500 4WD V8-6.6L DSL Turbo (2007)
11. Disconnect the fuel lines.
12. Remove the fuel hose bracket nut.
13. Disconnect the main engine electrical harness connectors. Lift up on the latches (1) in order to disconnect the connectors.
14. Open the harness clip (2).
15. Remove the main engine electrical harness connectors.
16. Remove the main engine electrical harness connector hold down bolts.