2007 Evinrude E-Tec 75, 90 HP outboards Service Manual, Page 133Get this manual
ELECTRICAL AND IGNITION SystemCheck CIRCUIT TESTS the two connectors, replace SystemCheck gauge
WATER TEMP HOT Circuit Test
The tan wire of engine harness and the MWS harness receives signal from the EMMThe EMM receives information from the temperature sensor on the cylinder headUsing jumper wire, connect tan wire (pin 6) of the engine harness connector to clean engine ground1Purple wire 2Tanblue wire
DRC6280 002079
Turn the key switch OFF and reconnect all disconnected circuits