Hummer H2. Manual - part 278

Fig. 16: Identifying Radio 
Courtesy of GENERAL MOTORS CORP. 

1. Align the radio with the center stack and mounting holes. 

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Entertainment - Hummer H2

  

Fig. 17: Electrical Connectors & Antenna Connectors 
Courtesy of GENERAL MOTORS CORP. 

2. Connect the electrical connectors and the antenna connectors from the rear of the radio. 

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Entertainment - Hummer H2

  

Fig. 18: Radio & I/P Center Stack 
Courtesy of GENERAL MOTORS CORP. 

3. Install the bolts that hold the radio to the instrument panel center stack.  

4. Align the trim panel instrument panel center to instrument panel. Refer to Trim Panel Replacement - 

Instrument Panel (I/P) Center in Instrument Panel, Gauges and Console.  

5. Align and move the forward center console in place with the center console bracket. Refer to Console 

Replacement in Instrument Panel, Gauges and Console.  

6. Perform the radio setup, if equipped with UM8 - Refer to Radio Setup (With RPO UM8) . For all other 

audio system configuration, refer to Service Programming System (SPS) in Programming for setup.  

AMPLIFIER REPLACEMENT 

Removal Procedure 

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Entertainment - Hummer H2

  

Fig. 19: Center Console & Center Console Bracket 
Courtesy of GENERAL MOTORS CORP. 

1. Remove the center console. Refer to Console Replacement in Instrument Panel, Gauges and Console.  

2. Remove the amplifier from the amplifier bracket by removing the four screws.  

3. Disconnect the electrical connectors from the amplifier.  

4. Remove the amplifier from the vehicle.  

Installation Procedure 

1. Align the amplifier with the amplifier bracket. 

2. Install the amplifier screws. 

Tighten: Tighten the screws to 3.4 N.m (30 lb in).

NOTE:

Refer to Fastener Notice in Cautions and Notices.

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Entertainment - Hummer H2