Radio/Audio System Schematics

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Power, Ground, and Subsystem References - Base Schematic

GM745139

Courtesy of GENERAL MOTORS CORP.

Fig 2: Speakers - Base Schematic

GM745142

Courtesy of GENERAL MOTORS CORP.

Fig 3: Power & Ground - YE9 W/O Rear Seat Audio Schematic

GM745140

Courtesy of GENERAL MOTORS CORP.

Fig 4: Amplifier Inputs & Controls & Subsystem References - YE9 W/O Rear Seat Audio Schematic

GM745141

Courtesy of GENERAL MOTORS CORP.

Fig 5: Power, Ground & Subsystem References - YE9 W/Rear Seat Audio Schematic

GM745143

Courtesy of GENERAL MOTORS CORP.

Fig 6: Amplifier & Rear Seat Audio Inputs & Controls - YE9 W/Rear Seat Audio Schematic

GM745144

Courtesy of GENERAL MOTORS CORP.

Fig 7: Remote Playback Device - CD Player - YE9 Schematic

GM754708

Courtesy of GENERAL MOTORS CORP.

Fig 8: Speakers - YE9 Schematic

GM745145

Courtesy of GENERAL MOTORS CORP.

Fig 9: Power & Control Signals - Y91 Schematic

GM754393

Courtesy of GENERAL MOTORS CORP.

Fig 10: Ground & Subsystem References - Y91 Schematic

GM754402

Courtesy of GENERAL MOTORS CORP.

Fig 11: Amplifier & Rear Seat Audio Inputs - Y91 Schematic

GM754398

Courtesy of GENERAL MOTORS CORP.

Fig 12: Remote Playback Device - CD Player - Y91 Schematic

GM831049

Courtesy of GENERAL MOTORS CORP.

Fig 13: Front Speakers - Y91 Schematic

GM754413

Courtesy of GENERAL MOTORS CORP.

Fig 14: Rear Speakers - Y91 Schematic

GM754415

Courtesy of GENERAL MOTORS CORP.

Fig 15: Antenna Modules - W/Y91 Except Escalade EXT Schematic

GM831060

Courtesy of GENERAL MOTORS CORP.