Hummer H3. Manual — part 50

2. Install the negative battery cable clip (1) to the engine wiring harness bracket.

3. Raise and suitably support the vehicle.

4. Install the negative battery cable clip (2) to the engine wiring harness bracket.

5. Ensure that the engine wiring harness ground terminal (5) is position against the engine

block.

6. Position the negative battery cable ground terminal over the engine wiring harness ground

and install the negative battery cable ground bolt (4).

Tighten: Tighten the bolt to 25 N.m (18 lb ft).

7. Lower the vehicle.

NOTE:

Refer to Fastener Notice .

2008 Hummer H3

2008 ENGINE Engine Electrical - H3

Fig. 27: Engine Wiring Harness Electrical Connector & Battery Current Sensor
Courtesy of GENERAL MOTORS CORP.

8. Connect the engine wiring harness electrical connector (6) to the battery current sensor (5).

2008 Hummer H3

2008 ENGINE Engine Electrical - H3

Fig. 28: Battery Negative Cable Replacement (LH8)
Courtesy of GENERAL MOTORS CORP.

9. Install the negative battery cable integral bolt (4) to the battery tray.

Tighten: Tighten the bolt to 40 N.m (29.5 lb ft).

10. Install the negative battery cable clip (3) to the battery tray.

11. Install the negative battery cable clip (2) to the lower half of the battery box.

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

2008 Hummer H3

2008 ENGINE Engine Electrical - H3

Connection.

GENERATOR CABLE REPLACEMENT (LLR)

Removal Procedure

Fig. 29: Battery Cable Harness Clips
Courtesy of GENERAL MOTORS CORP.

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

IMPORTANT:

Always use replacement cables that are of the same type,
diameter and length of the cables that are being replaced.

Always route the replacement cable the same way as the
original cable.

2008 Hummer H3

2008 ENGINE Engine Electrical - H3