Dynon Kavlico Oil Pressure Sensor 1/8" NPT 150 PSI

hello everyone and welcome today everything you need to know how to test oil pressure sensor aka sender or switch to understand how to do it you need to know how it works I will briefly explain it and what it does oil pressure sensor is actuator which directly activates engine lower oil pressure light or brings the signal to ECU duty of the sensors warn you about lower oil pressure to prevent severe engine damage that's it simple as it is this sensor located usually on an engine block or oil filter housing on some models it can be even on an engine cylinder head okay inside of the sensor is a movable dead frog with a fitted spring position of the dead frog determined by the pressure applied to and how it works and there is a two types of sensors I will explain why and how they work two different types of switches one with a normally open contacts another with a normally closed contacts