1997 "EU" Johnson Evinrude 5 thru 15 Four Stroke Service Manual, P/N 507262, Page 329Get 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
INote The INote The
instrument harness must be connected to the engine before performing the following testsVerify the condition of all wiring and connectors before proceeding42811
warning horn will not sound while in the diagnostic
[]] INote Use jumper wires made with the appropriate terminals
to test the warning circuitsSystem Check Gauge
NO {j}!OIL WATER TEMP
Gi CHECK ill ENGINE