1995 Johnson/Evinrude Outboards 125-300 90 degree LV Service Manual, Page 369Get this manual

1995 Johnson/Evinrude Outboards 125-300 90 degree LV Service Manual, Page 369

Tachometer CircuitV6, If the VRO "no oil" warning signal is in question, or if the boat's tachometer is not working, test
should increase approximately voltDisconnect the VRO pump's 4-pin Amphenol connectorVoltage should increase approximately
volts If the voltmeter shows higher voltage than specified on both components, replace the rectifierregulator If the voltmeter
shows higher voltage than specified on one component, replace that component6Complete all circuits disconnected for this
testLeave adapter box in the circuit INotel Do not energize primer solenoid when perform ing Steps 7, 8, and 9f11l7With the
engine not running and the key switch in the "ON" position, note the voltmeter reading If the voltmeter does not show voltage,
the tachometer circuit is okayCheck the warning horn circuitRefer to Warning Horn, Section If the voltmeter shows voltage,
go to Step 8f121 8Separate the rectifierregulator gray lead bullet connectorRemove the voltmeter red lead from jack "C" and
connect it to the rectifierregulator gray leadWith the engine not running and the key switch "ON," note the voltmeter reading