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Home >> GMC >> 2021 >> Yukon AT4 >> Repair and Diagnosis >> Electrical >> Wiring Diagrams >> Inline Harness Connector End Views (X140 - X182) >> Inline Harness Connector End Views >> X143 DEF Jumper Harness to Chassis Harness (LM2)

X143 DEF Jumper Harness to Chassis Harness (LM2)

GM4650150Courtesy of GENERAL MOTORS COMPANY
GM5377298Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type: DEF Jumper
  • OEM Connector: 13517178
  • Service Connector: Service by Harness -
  • Description: 30-Way F 1.2 MCON Series, Sealed
Connector Part Information
  • Harness Type: Chassis
  • OEM Connector: 35386615
  • Service Connector: 84861014
  • Description: 30-Way M 1.2 MCON-CB, 2.8 MCP Series, Sealed (GY)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool
I Not required J-35616-4A (PU) No Tool Required
II 13575376 J-35616-32 (OG) J-38125-36
III 13578827 J-35616-5 (PU) J-38125-36
IV 19330704 J-35616-13 (BU) J-38125-215A
Pin Size Color Circuit Terminal Type ID Option Function Pin Size Color Circuit Terminal Type ID Option
1 3 BK 3921 I - Diesel Exhaust Fluid Heater Control 1 1 2.5 BU 3921 II -
2 2 RD 2040 I - Battery Positive Voltage 2 2.5 RD/WH 2040 III -
3 - 6 - - - - - Not Occupied 3 - 6 - - - - -
7 2 BK 1650 I - Ground 7 1 BK 1650 III -
8 3 WH 1650 I - Ground 8 2.5 BK 1650 II -
9 - 10 - - - - - Not Occupied 9 - 10 - - - - -
11 0.5 BU 4977 I - AUTOSAR CAN Bus [+] 3 Serial Data 11 0.5 BU/BK 4977 IV -
12 0.5 BN 4976 I - AUTOSAR CAN Bus [-] 3 Serial Data 12 0.5 WH 4976 IV -
13 - 21 - - - - - Not Occupied 13 - 21 - - - - -
22 0.5 BU 4977 I - AUTOSAR CAN Bus [+] 3 Serial Data 22 0.5 BU/BK 4977 IV -
23 0.5 BN 4976 I - AUTOSAR CAN Bus [-] 3 Serial Data 23 0.5 WH 4976 IV -
24 - - - - - Not Occupied 24 - - - - -
25 0.5 BN 2139 I - Run/Crank Ignition 1 Voltage 25 0.5 VT/BK 2139 IV -
26 - 30 - - - - - Not Occupied 26 - 30 - - - - -