1993 Johnson Evinrude "ET" 90 degrees CV Service Manual, P/N 508285, Page 292Get this manual
Troubleshooting with an Ammeter Careful analysis ofthe electric motor's current draw and trimtilt unit operating speed aids evaluation of the electric motor and certain mechanical componentsThe battery must be fully chargedto specific gravity of 1.260 to 1.280, corrected to temperature of 80 (2r C)Refer to Battery Specifications, Electrical SectionThe specifications contained in the Performance Chart are for static hydraulic testsDo not attempt to perform the following tests while the boat is moving
rv battery sideaof0-100starter DC ammeter theseries14-gauge lead 1Connect amp in between the L!J the solenoid and RED.f212Observe the ammeter and stopwatch while running the hydraulic unit through several complete cycles Range (021) represents the motor's trim range Range (2275) represents the motor's tilt range3Compare your test results to the values listed in the Performance Chart: