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Home >> GMC >> 2021 >> Yukon AT4 >> Repair and Diagnosis >> Electrical >> Wiring Diagrams >> Component Connector End Views (T12 (X3) - X92G) >> Component Connector End Views >> X88B Tow Vehicle Electrical Receptacle X1 (U1D+MBR)

X88B Tow Vehicle Electrical Receptacle X1 (U1D+MBR)

GM5499621Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type: Chassis
  • OEM Connector: 35383017
  • Service Connector: Service by Harness -
  • Description: 13-Way F 2.5 Series (BK)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool
I Not required J-35616-37 (LT BU) No Tool Required
Pin Size Color Circuit Function Terminal Type ID Option
1 0.5
0.5
BU / WH
BU / WH
5186
5186
Left Trailer Turn Signal Lamp Control
Left Trailer Turn Signal Lamp Control
I
I
-
((MAS/MBM/MBR) + U1D + Z82)
2 0.5 YE / WH 5190 Trailer Fog Lamp Control I -
3 2.5 BK 2350 Ground I -
4 0.5 YE / GY 5187 Right Trailer Turn Signal Lamp Control I -
5 0.5 GY 5185 Right Trailer Park Lamp Control I -
6 0.5 BN / YE 5188 Trailer Stop Lamp Control I -
7 0.5 BN / GY 5184 Left Trailer Park Lamp Control I -
8 0.5 GN / WH 5189 Trailer Backup Lamp Control I -
9 2.5 RD / GN 742 Battery Positive Voltage I -
10 1 VT / BK 339 Run/Crank Ignition 1 Voltage I -
11 1 BK 2350 Ground I -
12 - - - Not Occupied - -
13 2.5 BK 2350 Ground I -