Hummer H3. Manual — part 55

Fig. 46: Engine Wiring Harness Electrical Connector & Battery Current Sensor
Courtesy of GENERAL MOTORS CORP.

8. Install the engine wiring harness/positive battery cable clip (2) to the upper battery box.

9. Clean any existing corrosion from the battery terminal and cable using a wire brush.

10. Connect the engine wiring harness/positive battery cable (2) to the battery.

Tighten: Tighten the nut to 9 N.m (80 lb in).

11. Close the protective cover over the engine wiring harness/positive battery cable terminal.

12. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and

2008 Hummer H3

2008 ENGINE Engine Electrical - H3

Connection.

BATTERY REPLACEMENT (LLR)

Removal Procedure

Fig. 47: 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.

2008 Hummer H3

2008 ENGINE Engine Electrical - H3

4. Remove the positive battery cable (2) from the battery.

Fig. 48: Locating Negative Battery Cable Ground Bolt & Control Module Clip
Courtesy of GENERAL MOTORS CORP.

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

2008 Hummer H3

2008 ENGINE Engine Electrical - H3

Fig. 49: Identifying Engine Wiring Harness Connector & Retaining Clips
Courtesy of GENERAL MOTORS CORP.

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

2008 Hummer H3

2008 ENGINE Engine Electrical - H3