1998 Johnson Evinrude "EC" 25, 35 HP 3-Cylinder Outboards Service Manual, Page 83Get this manual
4Remove the sending unit from the oil tank
m 5Note the position ofthe wires from the connectorinusing the sending unit wires the Amphenol connectorRemove
Oil Tank Sending Unit Test
ONIC Pin Removal Tool, PIN 322698Remove the nutwasherand grommet from the sending unit leadDiscard the grommet
[] low Oil TestCalibrate ohmmeter on appropriate scaleConnect meter leads between black wire terminal "8" and tanl black wire terminal "C" PositionMeter should show high reading PositionMeter should show low reading PositionMeter should show low reading Replace the oil tank sending unit if your results vary[] No Oil TestConnect meter leads between black wire terminal "8" and tanyellow wire terminal "A" PositionMeter should show high reading PositionMeter should show high reading PositionMeter should show low reading Replace the oil tank sending unit if your results varyOil Tank Sending Unit Installation 1Place new grommetwasherthen nut onto the sending unit leadsInstall the wires into the Amphenol connector in their original position using ONIC Insert Tool, PI 3226972Place the sending unit into the oil tankLet the sending unit rest on the bottom of the tank