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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN K2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2171 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEW 2 OF 5)DATA LINK CONNECTOR (DLC)
2006 Chevrolet Suburban K2500, 6.0 U

Data Link Connector (DLC)

2006 Chevrolet Suburban K2500, 6.0 USECTION Data Link Connector (DLC)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 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
GM68793Courtesy of GENERAL MOTORS CORP.
Data Link Connector (DLC)

Pin Wire Color 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 
  • OEM: 12110250
  • Service: 12110250
  • Description: 16-Way F Metri-Pack 150 Series (BK)
Terminal Part Information 
  • Pins: 1, 6, 14
  • Terminal/Tray: 12129373/5
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
  • Pins:3, 4, 5, 11, 16
  • Terminal/Tray: 12129484/19
  • Core/Insulation Crimp: Pins 1, 3, 6, 11, 14 - E/C
  • Core/Insulation Crimp: Pins 4, 5, 16 - E/A
  • Release Tool/Test Probe: 12094429/J-35616-14 (GN)
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.