1995 Johnson Evinrude "EO" 90 CV 85 thru 115 Service Manual, P/N 503150, Page 257Get this manual

1995 Johnson Evinrude "EO" 90 CV 85 thru 115 Service Manual, P/N 503150, Page 257

6With the engine running at 1000 RPM, disconnect the tachometer and observe the voltmeterVoltage should increase approxi
disconnect the gray leads from the terminal boardCheck for voltage at the rectifierregulator gray lead If voltmeter does
not show voltage, go to Step If voltmeter shows voltage, replace the rectifier regulator Isl 9With the engine not running
and the key switch in the "ON" position, connect voltmeter to engine wiring harness gray leadDisconnect the tachometer from
the circuitCheck to see if voltage disappears, then disconnect the VRO pump's 4-pin Amphenol connector and check voltmeter
If voltage disappears after disconnecting component, replace that component If voltmeter shows voltage after disconnecting
both components, substitute the remote control wiring harness with known good harnessIf voltmeter still shows voltage, replace
the engine wiring harness The "Iow oil" and "no oil" signals alert the operator to possible VRO problemsTo prevent possible