Data Link Connector (DLC)

WARNING: This page is about a different car, the 2006 Saturn Ion Red Line, 2006 Saturn Ion 3, and 2006 Saturn Ion 2. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		179631-1 16-Way F (WH)
Pin	Wire Color	Circuit No.	Function
1	D-GN	5060	Low Speed GMLAN Serial Data
2	PU	1807	Class 2 Serial Data
3	-	-	Not Used
4	BK	550	Ground
5	BK/WH	151	Ground
6	TN/WH	2500	High Speed GM LAN Serial Data Bus+ (2.2L, 2.4L)
7-13	-	-	Not Used
14	TN	2501	High Speed GM LAN Serial Data Bus- (2.2L, 2.4L)
15	-	-	Not Used
16	OG	40	Battery Positive Voltage