1993 Johnson Evinrude "ET" 60 thru 70 Service Manual, P/N 508284, Page 292Get this manual
Troubleshooting with an Ammeter Careful analysis of the 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 (2]0 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[;1 1Connect 0-100 amp DC ammeter in series between the battery side ofthe starter solenoid and the RED 14-gauge lead