Data Link Connector (DLC)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2009 GMC Savana Special, 2009 GMC Savana Camper Special, 2009 GMC Savana, 2009 Chevrolet RV Cutaway, and 2009 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

The data link connector (DLC) is a standardized 16-cavity connector. Connector design and location is dictated by an industry wide standard, and provides the following:

Pin 1 GMLAN low speed communications terminal
Pin 4 Scan tool power ground terminal
Pin 5 Common signal ground terminal
Pin 6 High speed GMLAN serial data bus (+) terminal
Pin 14 High speed GMLAN serial data bus (-) terminal
Pin 16 Scan tool power, battery positive voltage terminal