WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying In-Line Harness Connector End View C101
Courtesy of GENERAL MOTORS CORP.
Fig 2: Identifying In-Line Harness Connector End View C102
Courtesy of GENERAL MOTORS CORP.
Fig 3: Identifying In-Line Harness Connector End View C103
Courtesy of GENERAL MOTORS CORP.
Fig 4: Identifying In-Line Harness Connector End View C105