WARNING: This page is about a different car, the 2004 Cadillac Seville. 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 (JL4) Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 4: Suspension Inputs (w/F45 or F55), Class 2, and Variable Effort Steering Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 5: Traction Control Switch and ABS Indicators Schematic