Power Moding Schematics

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Ignition I Voltage and 12-Volt Reference

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Fig 2: Ignition II/III Voltage

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Fig 3: Ignition III Voltage and Accessory Voltage

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Fig 4: Serial Data Communication Enable

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Fig 5: Accessory Wakeup Serial Data

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