Data Link Connector (DLC) Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12110250 16-Way F Metri-Pack 150 Series (BK)
Pin	Wire Color	Circuit No.	Function
1	-	-	Not Used
2	PU	1132	DLC Class 2 Serial Data
3	-	-	Not Used
4	BK	2250	Ground
5	BK/WH	751	Ground
6-15	-	-	Not Used
16	OG	640	Battery Positive Voltage