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Home >> Chevrolet >> 2005 >> Impala LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 401 (Computer/Integrating Systems) >> Component Locator >> Computer/Integrating Systems Connector End Views >> Data Link Connector (DLC)
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Data Link Connector (DLC)

WARNING: This page is about a different car, the 2006 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Data Link Connector (DLC) Connector End View
GM1243575Courtesy of GENERAL MOTORS CORP.
Computer/Integrating Systems Connector End Views

Connector Part Information 
  • OEM: 348822-2
  • Service: 89046778
  • Description: 16-Way F AMP Diagnostic Connector (BK)
Terminal Part Information 
  • Pins: 1, 4, 5, 6, 7, 14, 16
  • Terminal/Tray: 776001-1/16
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
Data Link Connector (DLC)

Pin Wire Color Circuit No. Function
1 D-GN 5060 Low Speed GMLAN Serial Data
2-3 - - Not Used
4 BK 350 Ground
5 BK 350 Ground
6 TN/BK 2500 High Speed GMLAN Serial Data Bus +
7 WH/BK 5043 Keyword 2000 Serial Data (A45)
8-13 - - Not Used
14 TN 2501 High Speed GMLAN Serial Data Bus -
15 - - Not Used
16 OG/PK 1840 Battery Positive Voltage