1998 Johnson Evinrude "EC" 9.9 thru 30 HP 2-Cylinder Outboards Service Manual, Page 314Get this manual
Circuit Verification, Instrument Harness To make sure the OMC System Check engine monitor can alert the operator during LOW OIL, NO OIL, FUEL RESTRICTION, or engine OVERHEAT condition, it is very important to verify the condition of the sensors and associated wiringTest the engine monitor regularly and anytime you suspect an alert situation has been missed
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instrument harness must be connected to the engine before performing the following tests Verify the condition of all wiring and connectors before proceeding The warning horn will not sound while in the diagnostic
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Use jumper wires made with the ap propriate termi nals to test the warning circuitsSystem Check Gauge 1Turn the key switch to ON position, engine NOT running
NoID'OIL WATER TEMP