WARNING: This page is about a different car, the 2002 Oldsmobile Intrigue. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: ABS Schematics (Power, Grounds, And BPMV)
Courtesy of GENERAL MOTORS CORP.
Fig 2: ABS Schematics (ABS Indicator, Torque Signals, And Traction Control Switch)
Courtesy of GENERAL MOTORS CORP.
Fig 3: ABS Schematics (Yaw And Lateral, Brake Pressure, And Steering Angle Sensors)