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Home >> GMC >> 2021 >> Yukon AT4 >> Repair and Diagnosis >> Electrical >> Wiring Diagrams >> Inline Harness Connector End Views (X320 - X430) >> Inline Harness Connector End Views >> X337 Left Assist Step to Chassis Harness (B3L)

X337 Left Assist Step to Chassis Harness (B3L)

GM1401778Courtesy of GENERAL MOTORS COMPANY
GM1856785Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type: Left Assist Step
  • OEM Connector: Not Available
  • Service Connector: Service by Harness -
  • Description: 8-Way F
Connector Part Information
  • Harness Type: Chassis
  • OEM Connector: 15419459
  • Service Connector: 19367561
  • Description: 8-Way M 2.8 Series, Sealed (D-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 Not required J-35616-5 (PU) No Tool Required
Pin Size Color Circuit Terminal Type ID Option Function Pin Size Color Circuit Terminal Type ID Option
1 2 BU 7470 I - Right Running Board Step Motor Control Extend 1 2 BU 7470 II -
2 0.5 GN/RD 7464 I - Right Running Board Step Motor Hall Sensor 5V Reference 2 0.5 GN/RD 7464 II -
3 0.5 VT 7465 I - Right Running Board Step Motor Hall Sensor Signal 3 0.5 VT 7465 II -
4 0.5 YE/BK 7463 I - Right Running Board Step Motor Hall Sensor Low Reference 4 0.5 YE/BK 7463 II -
5 2 GN 7469 I - Right Left Running Board Step Motor Control Retract 5 2 GN 7469 II -
6 - - - - - Not Occupied 6 - - - - -
7 0.5 GY/VT 4749 I - Right Running Board Step Courtesy Lamp Control 7 0.5 GY/VT 4749 II -
8 1 BK 1650 I - Ground 8 1 BK 1650 II -