Data Link Connector (DLC) Schematics

WARNING: This page is about a different car, the 2004 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Power, Ground, GMLAN, & Key Word 2000 Serial Data Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 2: Class 2 Serial Data Schematic - 1 Of 2

Courtesy of GENERAL MOTORS CORP.

Fig 3: Class 2 Serial Data Schematic - 2 Of 2

Courtesy of GENERAL MOTORS CORP.