1995 Johnson/Evinrude Outboards 50 thru 70 3-cylinder Service Manual, Page 310Get this manual
TroubleshootingAmmeter Careful analysis of the electric motorhydraulic 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 powerf1l 1Connect 0-60 amp DC ammeter in series between the battery side of the starter solenoid and the Red 14 gauge lead of the trim junction box
121 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 range3Compare your test results to the values listed in the chart for your specific motor style4As you interpret your test results, there are three basic possibilities Low Current Drawcheck for: aLeaking valves bWeak relief valve springs cDamaged pump dLeaking O-rings High Current Drawcheck for: abcdPump binding Motor binding Sticking valves Damaged relief valve springs