Hummer H2. Manual - part 1170

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

(Single Battery) .  

2. Unsnap the positive battery cable cap.  

3. Disconnect the positive battery cable.  

4. Remove the underhood bussed electrical center (UBEC) cover. Position the lower cover to the side. 

Fig. 14: Positive Battery Cable Bolt 
Courtesy of GENERAL MOTORS CORP. 

CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.

IMPORTANT: The bolt is integral to the battery cable and is not removable.

 

2004 Hummer H2 

2004 ELECTRICAL Engine Electrical - Hummer H2

  

5. Remove the positive battery cable bolt at the UBEC. 

Fig. 15: Positive Battery Cable 
Courtesy of GENERAL MOTORS CORP. 

6. Unsnap the junction block cover.  

7. Remove the positive battery cable (1) from the junction block. 

 

2004 Hummer H2 

2004 ELECTRICAL Engine Electrical - Hummer H2

  

Fig. 16: Positive Battery Cable Channel Bolt 
Courtesy of GENERAL MOTORS CORP. 

8. Raise and suitably support the vehicle with safety stands. Refer to Lifting and Jacking the Vehicle in 

General Information.  

9. Remove the engine protection shield. Refer to Engine Protection Shield Replacement in Frame and 

 

2004 Hummer H2 

2004 ELECTRICAL Engine Electrical - Hummer H2

  

Underbody.  

10. Remove the positive battery cable channel bolt.  

11. Slide the channel pin out of the oil pan tab.  

12. Remove the positive battery cable from the channel. 

Fig. 17: Positive Cable Nut 
Courtesy of GENERAL MOTORS CORP. 

13. Remove the positive cable nut (1).  

14. Remove the positive cable from the starter.  

15. Remove the positive cable clip from the clip on the oil pan.  

16. Remove the positive cable from the clip on the oil pan.  

17. Remove the positive battery cable.  

Installation Procedure 

 

2004 Hummer H2 

2004 ELECTRICAL Engine Electrical - Hummer H2