Data Link Connector (DLC) Schematics

WARNING: This page is about a different car, the 2005 Saturn Ion Red Line, 2005 Saturn Ion 3, 2005 Saturn Ion 2, and 2005 Saturn Ion 1. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: DLC Power, Ground, Class 2, and Low Speed GM LAN Schematics

Courtesy of GENERAL MOTORS CORP.

Fig 2: High Speed GM LAN Schematics - 2.2L

Courtesy of GENERAL MOTORS CORP.