2007 Evinrude E-Tec 75, 90 HP outboards Service Manual, Page 134Get this manual
ELECTRICAL AND IGNITION REMOTE CONTROL SWITCH TESTS
LOW OIL Circuit Test
Turn the key switch ONUsing jumper wire, connect tanblack wire (pin 4) of the engine harness connector to clean engine groundThe LOW OIL light should turn on after 40 seconds
REMOTE CONTROL SWITCH TESTS
Key Switch Test
Refer to Wiring Diagrams at back of manualUse an ohmmeter or continuity light to test key switch operationReplace switch if results are incorrect with any of the following tests
IMPORTANT: Disconnect