Data Link Connector (DLC)

WARNING: This page is about a different car, the 2007 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Data Link Connector (DLC) Connector End Views

Courtesy of GENERAL MOTORS CORP.

Data Communication Connector & Terminal Parts Information

Connector Part Information

OEM: 12110250
Service: See Catalog
Description: 16-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

Pins: 2, 4, 5, 6, 14, 16
Terminal/Tray: 12129484/19
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Data Link Connector (DLC) Terminal Identification

Pin	Wire Color	Circuit No.	Function
1	-	-	Not Used
2	PU	1807	Class 2 Serial Data
3	-	-	Not Used
4	BK	350	Ground
5	BK/WH	351	Ground
6	TN/BK	2500	High Speed GMLAN Serial Data Bus+
7-13	-	-	Not Used
14	TN	2501	High Speed GMLAN Serial Data Bus-
15	-	-	Not Used
16	RD/WH	1140	Battery Positive Voltage