1996 Johnson/Evinrude Outboards 8 thru 15 Four-Stroke Service Manual, Page 269Get this manual
Circuit Verification, Instrum ent Harness To make sure the ave System Check TMengine 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 wiring Test the engine monitor regularly and anytime you suspect an alert situation has been missed
INotel Notel
The instrument harness must be connected to the engine before performing the following testsVerify the condition of all wiring and connectors before proceedingThe warning horn will not sound while in the diagnostic mode42811
IT] Notel
Use jumper wires made with the appropriate terminals to test the warning circuits
CHECK ENGINE LOWL[!lOIL