Data Link Connector (DLC) Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15317575 16-Way F Metri-Pack 150 Series (BK)
Pin	Wire Color	Circuit No.	Function
1	-	-	Not Used
2	PU	1807	Class 2 Serial Data
3	-	-	Not Used
4	BK	550	Ground
5	BK	451	Ground
6	-	-	Not Used
7	PU	1319	Engine/Radio Serial Data K-Line
8-11	-	-	Not Used
12	L-BU	1276	ABS Serial Data K-Line
13-15	-	-	Not Used
16	OG	2140	Battery Positive Voltage