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Turbo 1G/GVR4 MAF pinout
Pin 1 = Reset
Pin 2 = Airflow Hz
Pin 3 = +12 Volt from MPI
Pin 4 = +5 Volt Sensor Power
Pin 5 Not Connected
Pin 6 = Sensor Ground
Pin 7 = Barometer
Pin 8 = Intake Air Temp
2G/3G/EVO MAF pinout
Pin 1 = +5 Volt Sensor Power
Pin 2 = Barometer
Pin 3 = Airflow Hz
Pin 4 = +12 Volt from MPI
Pin 5 = Sensor Ground
Pin 6 = Intake Air Temp
Pin 7 = Reset
Pin 8 Not Connected
So, the correct crossover wiring to our MAS plug is:
3G/EVO Pin 1 to 1G MAS Pin 4
3G/EVO Pin 2 to 1G MAS Pin 7
3G/EVO Pin 3 to 1G MAS Pin 2
3G/EVO Pin 4 to 1G MAS Pin 3
3G/EVO Pin 5 to 1G MAS Pin 6
3G/EVO Pin 6 to 1G MAS Pin 8
3G/EVO Pin 7 to 1G MAS Pin 1
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