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Home >> GMC >> 2021 >> Yukon XL AT4 >> Repair and Diagnosis >> Electrical >> Wiring Diagrams >> Electrical Center Identification Views (X50B - X51AX) >> Electrical Center Identification Views >> X50A Engine Wiring Harness Junction Block X2

X50A Engine Wiring Harness Junction Block X2

GM4994132Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type: Body
  • OEM Connector: 33384594
  • Service Connector: 19371174
  • Description: 44-Way F 1.5, 2.8, 6.3 CTS, 9.5 MCON-LL Series (GN)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool
I 19369711 J-35616-14 (GN) EL-38125-560A
II 84764079 J-35616-22 (RD) J-38125-11A
III 84779405 J-35616-35 (VT) J-38125-215A
IV Not required J-35616-22 (RD) No Tool Required
Pin Size Color Circuit Function Terminal Type ID Option
A1 - B3 - - - Not Occupied - -
B4 0.75 RD / GN 7740 Battery Positive Voltage III -
B5 0.75 RD / BU 840 Battery Positive Voltage III -
B6 - - - Not Occupied - -
C1 0.35 YE / BU 318 Left Rear Trailer Stop/Turn Lamp Control I Z82-U1D
C2 0.35 GN / BN 319 Right Rear Trailer Stop/Turn Lamp Control I Z82-U1D
C3 - C6 - - - Not Occupied - -
C7 0.5 RD / YE 2340 Battery Positive Voltage I -
C8 - - - Not Occupied - -
D1 10 RD / WH 2942 Battery Positive Voltage IV -
D2 - E1 - - - Not Occupied - -
E2 6 RD / GY 2742 Battery Positive Voltage II 5W4/9C1
F1 - F2 - - - Not Occupied - -
F3 0.35 BU / BN 38 Backup Lamp Relay Control I -
F4 0.5 BN / WH 28 Horn Relay Control I -
F5 - F8 - - - Not Occupied - -
G1 0.75 BN / GY 29 Horn Control III -
G2 - - - Not Occupied - -
G3 0.75 RD / YE 740 Battery Positive Voltage III -
G4 0.75 RD / WH 640 Battery Positive Voltage III -
G5 0.75 RD / BN 1440 Battery Positive Voltage III -
G6 0.75 RD / BN 1140 Battery Positive Voltage III -
H1 - H5 - - - Not Occupied - -
H6 0.35 WH / BN 7055 Auxiliary Park Lamp Relay Control III Z82-U1D