WARNING: This page is about a different car, the 2002 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Electronic Brake Control Module (EBCM) Connector End View (1 Of 2)
Courtesy of GENERAL MOTORS CORP.
Fig 2: Electronic Brake Control Module (EBCM) Connector End View (2 Of 2)