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Home >> Cadillac >> 2003 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 617 (Data Link Communication System) >> Component Locator >> Data Link Communications Connector End Views
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Data Link Communications Connector End Views

WARNING: This page is about a different car, the 2004 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
Data Link Connector (DLC)

GM68793Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12110250
  • 16-Way F Metri-Pack 150 Series (BK)
Pin Wire Color Circuit Number Function
1 - - Not Used
2 PU 1807 Class 2 Serial Data
3 - - Not Used
4 BK 350 Ground
5 BK/WH 351 Ground
6 WH 2500 High Speed GMLAN Serial Data Bus+ (LY7 w/M82)
7 WH/BK 5043 Keyword 2000 Serial Data (LA3/LY9 w/M82)
8-13 - - Not Used
14 L-GN 2501 High Speed GMLAN Serial Data Bus- (LY7 w/M82)
15 - - Not Used
16 RD/WH 1140 Battery Positive Voltage