Radio/Audio System Schematics

WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Power, Ground, Serial Data, and Antenna Module Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 2: Speakers - UW6 Schematic

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Fig 3: Radio to Amplifier - U88 Schematic

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Fig 4: Front Speakers - U88 Schematic

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Fig 5: Rear Speakers - U88 Schematic

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Fig 6: Satellite Radio - U2K Schematic

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Fig 7: Steering Wheel Controls - UK3 Schematic

Courtesy of GENERAL MOTORS CORP.