1996 Johnson/Evinrude Outboards 25, 35 3-Cylinder Service Manual, Page 263Get this manual
NO OIL Circuit []] 1Turn the key switch to ON positionMove the float to position At positionthe gauge NO OIL light should turn on
If the NO OIL light does not turn on, disconnect the tank pickup 3-pin connectorConnect the engine harness tanyellow lead, terminal "A", and black lead, terminal "8", together with jumper wire