Hummer H2. Manual - part 1128

3. Install the forward lamp wiring harness ground/negative cable bolt. 

Tighten: Tighten the forward lamp wiring harness ground/negative cable bolt to 9 N.m (80 lb in). 

4. Position the negative cable and engine wiring harness ring terminals to the engine block. Position the 

anti-rotation tab on the negative cable in the correct location.  

5. Install the engine wiring harness ground/negative cable bolt. 

Tighten: Tighten the engine wiring harness ground/negative cable bolt to 25 N.m (18 lb ft). 

6. Install the engine protection shield. Refer to Engine Protection Shield Replacement in Frame and 

Underbody.  

7. Lower the vehicle.  

8. Install the negative cable clip to the positive cable clip. 

Fig. 12: View Of Battery Cables 

 

2004 Hummer H2 

2004 ELECTRICAL Engine Electrical - Hummer H2

  

Courtesy of GENERAL MOTORS CORP.

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

(Single Battery) .  

BATTERY POSITIVE CABLE REPLACEMENT 

Removal Procedure 

Fig. 13: Battery Ground Negative Cable & Bolt 
Courtesy of GENERAL MOTORS CORP. 

 

2004 Hummer H2 

2004 ELECTRICAL Engine Electrical - Hummer H2

  

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