Hummer H2. Manual — part 1176

Fig. 37: Ground Strap Nut
Courtesy of GENERAL MOTORS CORP.

1. Install the ground strap to the stud.

NOTE:

Refer to Fastener Notice in Cautions and Notices.

2004 Hummer H2

2004 ELECTRICAL Engine Electrical - Hummer H2

2. Install the ground strap nut to the stud at the front of dash.

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

3. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

Fig. 38: Ground Cable Bolt At Engine Block
Courtesy of GENERAL MOTORS CORP.

4. Position the ground strap and engine wiring harness ground.

5. Install the engine wiring harness ground bolt.

2004 Hummer H2

2004 ELECTRICAL Engine Electrical - Hummer H2

Tighten: Tighten the bolt to 16 N.m (12 lb ft).

6. Install the left hand catalytic convert. Refer to Catalytic Converter Replacement (Right Hand) in

Engine Exhaust.

7. Lower the vehicle.

STARTER MOTOR RELAY REPLACEMENT

Removal Procedure

Fig. 39: Starter Motor Relay

2004 Hummer H2

2004 ELECTRICAL Engine Electrical - Hummer H2

Courtesy of GENERAL MOTORS CORP.

1. Remove the underhood bussed electrical center (UBEC) cover.

2. Remove the starter motor relay. Refer to Relay Replacement (Within an Electrical Center) or Relay

Replacement (Attached to Wire Harness) in Wiring Systems.

Installation Procedure

Fig. 40: Starter Motor Relay
Courtesy of GENERAL MOTORS CORP.

2004 Hummer H2

2004 ELECTRICAL Engine Electrical - Hummer H2