WARNING: This page is about a different car, the 2007 Pontiac Montana SV6, 2007 Chevrolet Uplander, and 2007 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Ground, Power, and References to Data Communication and Power Distribution
Courtesy of GENERAL MOTORS CORP.
Fig 2: References to Brakes, Cruise Control, Defogger, Exterior Lights, Horn, Object Detection, Power Moding, Shift Lock Control, and Wiper/Washer
Courtesy of GENERAL MOTORS CORP.
Fig 3: References to Antilock Brake System, Cruise Control, HVAC, and Lighting
Courtesy of GENERAL MOTORS CORP.
Fig 4: References to Door Locks, Lighting, Sliding Door and Theft Deterrent
Courtesy of GENERAL MOTORS CORP.
Fig 5: References to Audible Warnings, HVAC, Immobilizer, Remote Function, Seat Heating and Cooling, Starting and Charging, and Theft Deterrent