1995 Johnson/Evinrude Outboards 40 thru 55 2-Cylinder Service Manual, Page 312Get this manual
CD DR2151
Troubleshooting with an Ammeter
Careful analysis of the hydraulic unit current requirements allows evaluation of the electric motor and certain mechanical componentsThe specifications contained in the chart are for static hydraulic testsDo not attempt to perform the following tests while the boat is under power1Connect 0-25 amp DC ammeter in series with the Red lead between the terminal strip and relay bracket
rv cyclesthe ammeter and stopwatch while running the hydraulic unit through several complete 2Observe