July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!
Module Power, Ground, Serial Data And Front Switch (TB5)
WARNING: This page is about a different car, the 2012 GMC Terrain and 2012 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Module Power, Ground, Serial Data And Front Switch (TB5) Wiring Schematic