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X189 Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor (LC8)

GM646412
Connector Part Information
  • Harness: CNG Front
  • OEM: Seviced By Harness
  • Service: Not Available
  • Description: 4-Way
Terminal Part Information
  • Terminated Lead: 13578912
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-2A (GY)
  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: E/1
X189 Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor (LC8)

Pin Wire Circuit Function
A BK - Low Reference
B TN/BK - IAT Sensor Signal
C BK - MAF Sensor Signal
D BK - Ignition 1 Voltage
E BK - Ground