Data Link Connector (DLC)

WARNING: This page is about a different car, the 2008 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.

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

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	0.35 D-GN	5060	Low Speed GMLAN Serial Data
2-3	-	-	Not Used
4	0.5 BK	350	Ground
5	0.35 BK	350	Ground
6	0.35 TN/BK	2500	High Speed GMLAN Serial Data Bus +
7	0.35 WH/BK	5043	Keyword 2000 Serial Data
8-13	-	-	Not Used
14	0.35 TN	2501	High Speed GMLAN Serial Data Bus -
15	-	-	Not Used
16	0.5 OG/PK	1840	Battery Positive Voltage

Connector Part Information

OEM: 348822-2
Service: 89046778
Description: 16-Way F AMP Diagnostic Connector (BK)

Terminal Part Information

Terminal/Tray: 776001-1/16
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 15315247/J-35616-2A (GY)