1995 Johnson Evinrude "EO" 60 LV 90, 115, 150, 150C, 175 Service Manual, P/N 503151, Page 263Get this manual
5With the engine running at 1000 RPM, the voltmeter should indicate volt If the voltmeter shows specified voltage, go to Step If the voltmeter shows less than volts, go to Step If the voltmeter does not show voltage, replace rectifier regulator6With the engine running at 1000 RPM, disconnect the tachometer and observe the voltmeterVOltaqe should increase approximately voltDisconnect the 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 components, replace that component7Complete all circuits disconnected for this testLeave adapter box in the circuit INote Do not energize primer solenoid when performing Steps 8,
m 8.positionthe enginevoltmeter readingthe key switch in the With not running and "ON" note the
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 9