WARNING: This page is about a different car, the 2004 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Power, Ground, Stop Lamp Switch, Solenoid Valves and Pump Motor Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 2: Wheel Speed Sensors Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 3: Vehicle Stability Enhancement System Schematic (w/JL4)