WARNING: This page is about a different car, the 2002 Oldsmobile Bravada. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Transfer Case Shift Control Module Connector End View - C1
Courtesy of GENERAL MOTORS CORP.
Fig 2: Transfer Case Shift Control Module Connector End View - C2
Courtesy of GENERAL MOTORS CORP.
Fig 3: Transfer Case Shift Control Module Connector End View - C3
Courtesy of GENERAL MOTORS CORP.
Fig 4: Transfer Case Connector End View
Courtesy of GENERAL MOTORS CORP.
Fig 5: Vehicle Speed Sensor (VSS) Connector End View - LR Transfer Case
Courtesy of GENERAL MOTORS CORP.
Fig 6: Vehicle Speed Sensor (VSS) Connector End View - RR Transfer Case