Data Link Connector (DLC) Schematics

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

Fig 1: Power, Ground, GMLAN Bus and Keyword 2000 Bus

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Fig 2: Class 2 Serial Data Bus - LHD (1 of 2)

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Fig 3: Class 2 Serial Data Bus - LHD (2 of 2)

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Fig 4: Class 2 Serial Data Bus - RHD (1 of 2)

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Fig 5: Class 2 Serial Data Bus - RHD (2 of 2)

Courtesy of GENERAL MOTORS CORP.