WARNING: This page is about a different car, the 2007 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Power, Ground and References
Courtesy of GENERAL MOTORS CORP.
Fig 2: Theft Deterrent, Keyless Entry, Body Rear End, Horns, ABS, Brake Warning, Defogger, Heated Seats and Wiper/Washer System References
Courtesy of GENERAL MOTORS CORP.
Fig 3: Door Lock/Indicator and Lighting Systems References (1 of 2)