1995 Johnson/Evinrude Outboards 25, 35 3-Cylinder Service Manual, Page 265Get this manual
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
Observe the ammeter and stopwatch while running the hydraulic unit through several complete cycles Range Range