Hummer H2. Manual — part 2035

Fig. 13: SIR Fuse & Underhood Fuse Block
Courtesy of GENERAL MOTORS CORP.

4. Install the SIR fuse (1) into the underhood fuse block.

5. Staying well away from all air bags, turn ON the ignition, with the engine OFF.

1. The AIR BAG indicator will flash 7 times.

2. The AIR BAG indicator will then turn OFF.

6. Perform the Diagnostic System Check - SIR if the AIR BAG indicator does not operate as described.

SIR DISABLING AND ENABLING ZONE 5

Disabling Procedure

1. Turn the steering wheel until the vehicle's wheels are pointing straight ahead.

IMPORTANT: Refer to SIR Service Precautions before disabling the SIR system.

2004 Hummer H2

2004 RESTRAINTS SIR - Hummer H2

2. Turn OFF the ignition.

3. Remove the key from the ignition.

Fig. 14: SIR Fuse & Underhood Fuse Block
Courtesy of GENERAL MOTORS CORP.

4. Remove the SIR Fuse (1) from the underhood fuse block.

IMPORTANT: With the SIR Fuse removed and the ignition ON, the AIR BAG indicator

illuminates. This is normal operation and does not indicate an SIR system
malfunction.

2004 Hummer H2

2004 RESTRAINTS SIR - Hummer H2

Fig. 15: Connector Position Assurance (CPA) & I/P Module Yellow 4-Way Connector - Zone 5
Courtesy of GENERAL MOTORS CORP.

5. Remove the CPA from the (1) I/P module yellow 2-way connector (2) located behind the I/P module.

6. Disconnect the (1) I/P module yellow 2-way connector (2) located behind the I/P module.

Enabling Procedure

2004 Hummer H2

2004 RESTRAINTS SIR - Hummer H2

1. Remove the key from the ignition.

Fig. 16: Connector Position Assurance (CPA) & I/P Module Yellow 4-Way Connector - Zone 5
Courtesy of GENERAL MOTORS CORP.

2. Connect the (1) I/P module yellow 2-way connector (2) located behind the I/P module.

3. Install the CPA to the (1) I/P module yellow 2-way connector (2) located behind the I/P module.

2004 Hummer H2

2004 RESTRAINTS SIR - Hummer H2