I have Fuel Pressure sensor (P/N 41.125) with 2 ea 1/4" quick connect terminals. Engine harness has only one lead - and installation manual pictures both oil pressure and fuel pressure sensors as having only one terminal.
I'm assuming the single terminal sensor has an internal ground for the pressure transducer, while the 2 terminal transducer is not internally grounded -
is the 2 terminal device polarity sensitive?
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