Data Communication Schematics

WARNING: This page is about a different car, the 2009 GMC Envoy and 2009 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Power, Ground, and Data Link Connector

Courtesy of GENERAL MOTORS CORP.

Fig 2: SP205

Courtesy of GENERAL MOTORS CORP.

Fig 3: SP306

Courtesy of GENERAL MOTORS CORP.