Oil sending unit wire
Oil send unit wire cut on 1 wire unit 2001 ram 2500
5.9 cummins. Does it plug into PCM?
The orange wire is a 5-volt reference signal from the electronic control module (different than the PCM). The grey/black wire is the oil pressure signal. The black/light blue is the sensor return. All 3 go to the ECM on the left side of engine behind the fuel filter
Here is confusing part. My truck only has a single brown wire connector plugs onto solenoid but other end unplugged from previous owner and not sure where it goes
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