1998 Johnson Evinrude "EC" 40 thru 55 2-Cylinder Service Manual, P/N 520206, Page 321Get 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
2Observe the ammeter and stopwatch while running the hydraulic unit through several complete cycles Range (0015) represents the engine's trim range Range (1665) represents the engine's tilt range