WARNING: This page is about a different car, the 2003 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Cruise Control Schematics (Cruise Control Module and Cruise Control Switch)
Courtesy of GENERAL MOTORS CORP.
Fig 2: Identifying Cruise Control Schematics (Cruise Control Module and Cruise Control Indicator)
Courtesy of GENERAL MOTORS CORP.
Fig 3: Identifying Cruise Control Schematics (Cruise Control Servo and Stop Lamp Switch)