Data Link Connector (DLC)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. 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	-	-	Not Used
3	0.5 D-BU	6105	PTLAN + (HP2)
4	0.8 BK	1050	Ground
5	0.8 BK/WH	1851	Ground
6	0.5 TN/BK	2500	High Speed GMLAN Serial Data Bus +
7-10	-	-	Not Used
11	0.5 L-BU	6106	PTLAN - (HP2)
12-13	-	-	Not Used
14	0.5 TN	2501	High Speed GMLAN Serial Data Bus -
15	-	-	Not Used
16	0.8 RD/WH	640	Battery Positive Voltage

Connector Part Information

Harness Type: Instrument Panel
OEM Connector: 12110250
Service Connector: 12110250
Description: 16-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

Pins: 1, 3, 6, 11, 14
Terminated Lead: 13575725
Release Tool: J-38125-12A
Diagnostic Test Probe: J-35616-14 (GN)
Terminal/Tray: 12129484/19
Core/Insulation Crimp: E/C

Pins: 4, 5, 16
Terminated Lead: 13575725
Release Tool: J-38125-12A
Diagnostic Test Probe: J-35616-14 (GN)
Terminal/Tray: 12129484/19
Core/Insulation Crimp: E/A