Chevrolet Silverado / GMC Sierra. Service manual — part 305

Fig. 246: Coolant Temperature Sensor & Electronic Variable Orifice Switch
Electrical Connectors
Courtesy of GENERAL MOTORS CORP.

19. Remove the harness ground bolt.

20. Reposition the harness ground and negative battery cable from the block.

21. Disconnect the following electrical connectors:

Coolant temperature sensor (1)

2008 Hummer H2

2008 ENGINE Engine Mechanical - 6.2L - H2

Electronic variable orifice switch (2)

Fig. 247: View Of Oil Pressure Sensor & CMP Sensor Connectors
Courtesy of GENERAL MOTORS CORP.

22. Remove the harness ground bolt at the right rear of the engine block.

23. Reposition the harness ground from the block.

2008 Hummer H2

2008 ENGINE Engine Mechanical - 6.2L - H2

24. Remove the harness ground bolt at the left rear of the engine block.

25. Reposition the harness ground, and engine ground strap from the block.

26. Disconnect the following electrical connectors:

Oil pressure sensor (1)

Camshaft position (CMP) sensor (2)

27. Unclip all of the engine harness clips from the engine.

2008 Hummer H2

2008 ENGINE Engine Mechanical - 6.2L - H2

Fig. 248: View Of Battery Cable Junction Block
Courtesy of GENERAL MOTORS CORP.

28. Remove the battery cable junction block from the junction block bracket.

2008 Hummer H2

2008 ENGINE Engine Mechanical - 6.2L - H2