Radio/Audio System Schematics

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Power, Ground, Serial Data and Digital Radio Receiver Schematic

GM1331355

Courtesy of GENERAL MOTORS CORP.

Fig 2: Base Radio w/o Rear Seat Audio Schematic

GM1331356

Courtesy of GENERAL MOTORS CORP.

Fig 3: Base Radio w/Rear Seat Audio Schematic

GM1331358

Courtesy of GENERAL MOTORS CORP.

Fig 4: Audio Amplifier Power, Ground, and Premium Radio Low Level Audio Outputs - Class 2 Amplifier w/o Rear Seat Audio Controls Schematic

GM1331359

Courtesy of GENERAL MOTORS CORP.

Fig 5: Audio Amplifier Power, Ground, and Premium Radio Low Level Audio Outputs - Non-Class 2 Amplifier w/o Rear Seat Audio Controls Schematic

GM1331361

Courtesy of GENERAL MOTORS CORP.

Fig 6: Audio Amplifier Power, Ground, and Premium Radio Low Level Audio Outputs - Class 2 Amplifier w/Rear Seat Audio Controls Schematic

GM1426951

Courtesy of GENERAL MOTORS CORP.

Fig 7: Audio Amplifier Power, Ground, and Premium Radio Low Level Audio Outputs - Non-Class 2 Amplifier w/Rear Seat Audio Controls Schematic

GM1426954

Courtesy of GENERAL MOTORS CORP.

Fig 8: Premium Radio Amplifier Outputs and Noise Reduction Microphone Schematic

GM1331363

Courtesy of GENERAL MOTORS CORP.

Fig 9: Steering Wheel Controls Schematic

GM1331364

Courtesy of GENERAL MOTORS CORP.