Hummer H2. Manual - part 1459

Fig. 119: View Of Main Ignition Coil Wire Harness Connector & Clips 
Courtesy of GENERAL MOTORS CORP. 

9. Position the engine wire harness.  

10. Connect the following electrical connectors to the left side of the engine: 

z

Main coil (2)  

z

Fuel injectors  

11. Install the harness clips to the fuel rail (1).  

12. Install the CPA retainer. 

 

2004 Hummer H2 

2004 ENGINE PERFORMANCE Engine Controls (Introduction) - 4.8L, 5.3L, and 6.0L - Hummer H2

  

Fig. 120: View Of Right Side Main Electrical Connector 
Courtesy of GENERAL MOTORS CORP. 

13. Connect the following electrical connectors to the right side of the engine: 

z

Main coil (4)  

z

Fuel injectors (3)  

14. Install the CPA retainer (5).  

15. Install the harness clips to the fuel rail (1).  

16. Connect the ETC electrical connector (2). Perform the following: 

1. Connect the connector.  

2. Engage the gray retainer.  

 

2004 Hummer H2 

2004 ENGINE PERFORMANCE Engine Controls (Introduction) - 4.8L, 5.3L, and 6.0L - Hummer H2

  

Fig. 121: View Of MAP Sensor & Knock Sensor Electrical Connectors 
Courtesy of GENERAL MOTORS CORP. 

17. Connect the following electrical connectors: 

z

MAP sensor (1)  

z

Knock sensor (2)  

18. Install the knock sensor harness connector to the intake manifold. 

 

2004 Hummer H2 

2004 ENGINE PERFORMANCE Engine Controls (Introduction) - 4.8L, 5.3L, and 6.0L - Hummer H2

  

Fig. 122: View Of EVAP Canister Purge Solenoid & Generator Electrical Connectors & Bracket 
Nut 
Courtesy of GENERAL MOTORS CORP. 

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: Tighten the nut to 5 N.m (44 lb in). 

22. Tighten the fuel fill cap.  

23. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure 

(Single Battery) in Engine Electrical.  

24. Use the following procedure in order to inspect for leaks: 

 

2004 Hummer H2 

2004 ENGINE PERFORMANCE Engine Controls (Introduction) - 4.8L, 5.3L, and 6.0L - Hummer H2