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Data Communication Schematics

WARNING: This page is about a different car, the 2007 Isuzu Ascender, 2007 GMC Envoy, 2007 Chevrolet TrailBlazer, and 2007 Buick Rainier. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Power, Ground & Data Link Connector Schematic
GM1748029Courtesy of GENERAL MOTORS CORP.
Fig 2: SP205 Schematic
GM1748031Courtesy of GENERAL MOTORS CORP.
Fig 3: SP306 Schematic
GM1748032Courtesy of GENERAL MOTORS CORP.
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