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Power Moding Schematics

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Ignition 3 & Accessory Voltage Schematic
GM1907504Courtesy of GENERAL MOTORS CORP.
Fig 2: Ignition 1 Voltage Schematic
GM1907511Courtesy of GENERAL MOTORS CORP.
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