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Home >> GMC >> 2021 >> Yukon AT4 >> Repair and Diagnosis >> Electrical >> Wiring Diagrams >> Component Connector End Views (B137B - E12F) >> Component Connector End Views >> B139 Transfer Case Two/Four Wheel Drive Actuator Position Sensor (NP0/NQH)

B139 Transfer Case Two/Four Wheel Drive Actuator Position Sensor (NP0/NQH)

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Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 33343869
  • Service Connector: 19179750
  • Description: 3-Way F 1.5 MX Series, Sealed (BK)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool
I Not required J-35616-14 (GN) No Tool Required
II Not required J-35616-2A (GY) No Tool Required
Pin Size Color Circuit Function Terminal Type ID Option
1 0.5
0.5
WH / RD
WH / RD
7477
7477
Gear Position Sensor 5V Reference
Gear Position Sensor 5V Reference
II
I
L84/L87
LM2
2 0.5
0.5
WH / GN
WH / GN
7479
7479
Rotary Position Sensor Signal
Rotary Position Sensor Signal
II
I
L84/L87
LM2
3 0.5
0.5
YE / BK
YE / BK
7478
7478
Gear Position Sensor Low Reference
Gear Position Sensor Low Reference
II
I
L84/L87
LM2