1994 Johnson/Evinrude "ER" 60 thru 70 outboards Service Manual, Page 106Get this manual
Power Test Do not exceed the coil's maximum specified amperage when testing it f41 The ignition coil is tested with "normal" polarity connections
Connect tester red lead to the primary terminal of the coil and the tester black lead to the ground tab Connect the high tension lead of the tester to the coil spark plug lead steady spark in the tester, at or before maximum specified amperage, indicates good coilRefer to Ignition Coil SpecificationsSurface Leakage Test
INotel Do
not the coil's maximum specified amperage when testmg It