Hummer H2. Manual - part 1767

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Electronic variable orifice switch (2)  

46. Position the harness ground and negative battery cable to the block.  

47. Install the harness ground bolt. 

Tighten: Tighten the harness ground bolt to 25 N.m (18 lb ft). 

Fig. 259: MAP Sensor & Knock Sensor Electrical Connectors 
Courtesy of GENERAL MOTORS CORP. 

48. Connect the MAP sensor (1) and knock sensor (2) electrical connectors. 

 

2004 Hummer H2 

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2

  

Fig. 260: Throttle Body Electrical Connector 
Courtesy of GENERAL MOTORS CORP. 

49. Connect the ETC connector (1). 

 

2004 Hummer H2 

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2

  

Fig. 261: Harness Clips, Main Coil Harness, Fuel injectors & (EGR) Valve Electrical Connectors 
Courtesy of GENERAL MOTORS CORP. 

50. Connect the following electrical connectors: 

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Main coil harness (1)  

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Fuel injectors (3)  

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EGR valve (4)  

 

2004 Hummer H2 

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2

  

Fig. 262: Harness Clips, Main Coil Harness & Fuel Injector Electrical Connectors 
Courtesy of GENERAL MOTORS CORP. 

51. Connect the main coil harness (2) and fuel injector (3) electrical connectors on the left side. 

 

2004 Hummer H2 

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2