1998 Johnson Evinrude EC 50 thru 70 HP 3-Cylinder Service Manual, Page 110Get this manual
Power Test
INote Do
not exceed the coil's maximum specified amperage when testing it
rn The ignition coilredis lead to the primary terminal ofconnectested with "normal" polarity tionsConnect tester 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