Radio/Navigation System Schematics

WARNING: This page is about a different car, the 2007 Buick LaCrosse and 2007 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

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Fig 2: Speakers Schematic - UW6

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Fig 3: Radio to Amplifier Schematic - U88

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Fig 4: Front Speakers Schematic - U88

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Fig 5: Rear Speakers Schematic - U88

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Fig 6: Satellite Radio Schematic - U2K

Courtesy of GENERAL MOTORS CORP.