Sierra Classic 1500 2WD V8-4.8L (2007)
19. Connect the EVAP purge solenoid electrical connector (1).
20. Connect the generator electrical connector (3).
21. Install the wire harness bracket nut (2).
Tighten the nut to 5 N.m (44 lb in).
22. Tighten the fuel fill cap.
23. Connect the negative battery cable.
24. Use the following procedure in order to inspect for leaks:
0. Turn the ignition ON, with the engine OFF, for 2 seconds.
1. Turn the ignition OFF for 10 seconds.
2. Turn the ignition ON, with the engine OFF.
3. Inspect for fuel leaks.