Hummer H2. Manual - part 277

If the radio is replaced, perform a VIN Relearn, located in the Special Functions section on the scan tool. Cycle 
the ignition when complete. 

SPEAKER REPLACEMENT REFERENCE 

Speaker Replacement Reference 

REPAIR INSTRUCTIONS 

RADIO REPLACEMENT 

Removal Procedure 

1. Loosen and move the center console reward for access to the center trim panel. Refer to Console 

Replacement in Instrument Panel, Gauges and Console.  

2. Remove the screws that hold the trim plate-Instrument panel center from instrument panel. Refer to Trim 

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

IMPORTANT: The radio theft will learn the VIN. Without learning the VIN, the radio will display 

a locked message (LOC or LOCKED).

Component

Repair Instruction

Front Floor Console Speaker

Speaker Replacement - Front Floor Console

Front Door Speakers

Refer to Speaker Replacement - Front Door

Front Upper Speakers

Refer to Speaker Replacement - Front Upper

Rear Door Speakers

Refer to Speaker Replacement - Rear Door

IMPORTANT: Record the lock code before removal, if equipped.

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Entertainment - Hummer H2

  

Fig. 13: Radio & I/P Center Stack 
Courtesy of GENERAL MOTORS CORP. 

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

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Entertainment - Hummer H2

  

Fig. 14: Electrical Connectors & Antenna Connectors 
Courtesy of GENERAL MOTORS CORP. 

4. Disconnect the electrical connectors and the antenna connections from the rear of the radio. 

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Entertainment - Hummer H2

  

Fig. 15: Identifying Radio 
Courtesy of GENERAL MOTORS CORP. 

5. Remove the radio.  

Installation Procedure 

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Entertainment - Hummer H2