Silverado 3500 4WD V8-6.6L DSL Turbo VIN 2 (2004)
10. Install the engine harness main electrical connectors bolts.
Tighten
Tighten the bolts to 10 N.m (89 lb in).
11. Connect the main engine electrical harness connectors.
12. Push down on the latches (1) in order to connect the connectors.
13. Close the harness clip (2).
14. Install the fuel line bracket from the stud.
15. Install the fuel line bracket nut.
Tighten
Tighten the nut to 21 N.m (15 lb ft).