Lighting Systems Connector End Views
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Fig 7: Identifying Cargo Lamp Assembly - Passenger (Avalanche & Escalade EXT Only) Connector Terminal
Fig 8: Identifying Center High Mounted Stop Lamp (CHMSL) (Avalanche & Escalade EXT) Connector Terminal
Fig 9: Identifying Center High Mounted Stop Lamp (CHMSL) (Except Avalanche And Escalade EXT) Connector Terminal