Hummer H3. Manual — part 45

Fig. 7: View Of Battery Cables
Courtesy of GENERAL MOTORS CORP.

1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection

and Connection.

2. Open the protective cover to access the positive battery cable terminal.

3. Loosen the positive battery cable nut (3).

4. Remove the positive battery cable (4) from the battery.

2008 Hummer H3

2008 ENGINE Engine Electrical - H3

Fig. 8: Identifying Engine Wiring Harness Connector & Retaining Clips
Courtesy of GENERAL MOTORS CORP.

5. Disconnect the engine wiring harness electrical connector (1) from the generator battery

control module.

6. Remove the engine wiring harness clip (2) from the upper battery box.

2008 Hummer H3

2008 ENGINE Engine Electrical - H3

Fig. 9: Identifying Battery Cable Wiring Harness Connector
Courtesy of GENERAL MOTORS CORP.

7. Disconnect the battery cable wiring harness electrical connector from the body wiring

harness electrical connector.

2008 Hummer H3

2008 ENGINE Engine Electrical - H3

Fig. 10: Locating Negative Battery Cable Ground Bolt & Control Module Clip
Courtesy of GENERAL MOTORS CORP.

8. Remove the bolt (3) securing the negative battery cable ground (2) to the battery tray.

9. Remove the generator battery control module clip (1) from the upper battery box.

2008 Hummer H3

2008 ENGINE Engine Electrical - H3