WARNING: This page is about a different car, the 2002 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Radio Connector End View
Courtesy of GENERAL MOTORS CORP.
Fig 2: Identifying Audio Amplifier Connector End View
Courtesy of GENERAL MOTORS CORP.
Fig 3: Identifying Speaker - LF Connector End View
Courtesy of GENERAL MOTORS CORP.
Fig 4: Identifying Speaker - LR Connector End View
Courtesy of GENERAL MOTORS CORP.
Fig 5: Identifying Speaker - LR (UQ3) Connector End View
Courtesy of GENERAL MOTORS CORP.
Fig 6: Identifying Speaker - RF Connector End View
Courtesy of GENERAL MOTORS CORP.
Fig 7: Identifying Speaker - RR Connector End View
Courtesy of GENERAL MOTORS CORP.
Fig 8: Identifying Speaker - RR (UQ3) Connector End View