1995 Johnson Evinrude "EO" 90 CV 85 thru 115 Service Manual, P/N 503150, Page 256Get this manual

1995 Johnson Evinrude "EO" 90 CV 85 thru 115 Service Manual, P/N 503150, Page 256

Cranking Discharge Method 1Check battery voltage If voltage is greater than 12.5 volts, go to Step If voltage is less than
key is ON5Start the engine and run it at approximately 4500 RPMThe engine's ammeter should indicate nearly full output6,
9, or 10 ampsAs the engine continues to run at 4500 RPM, the voltage should stabilize at approximately 14.5 volts and the
alternator output should begin to decreaseIf your results vary, check stator condition before replacing rectifierregu latorTachometer
Circuit 1If the VRO fIno oil" warning signal is in question, or if the boat's tachometer is not working, test the tachometer
circuit2Verify that all wiring and Amphenol connectors are in good condition3Set peak-reading voltmeter to "POS" and "50"4Attach
the meter red lead to terminal strip gray terminal and meter black lead to clean engine groundf21 5With the engine running