WARNING: This page is about a different car, the 2004 Pontiac Grand Am and 2004 Oldsmobile Alero. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Power & Ground Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 2: Wheel Speed Sensors Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 3: Stop Lamp Switch & Traction Control Switch Schematic