0-150 PSI Sensor (Fuel/Oil)

This sensor can also be used for oil or fuel pressure monitoring with most configurable standalone ECUs . 1/8 NPT port required( standard on almost all fuel pressure regulators, and most aftermarket oil pedestal adapters. ) 

Pin1( VS) is 5V reference

Pin 2 (GND) is sensor ground, NOT engine earth

pin 3 ( V) connects to ecu input( fuel/oil pressure, reference pinout in help section of Adaptronic Eugene software)