1990 Johnson Evinrude "ES" Colt/Junior thru 8 Service Manual, P/N 507870, Page 97Get this manual
Power TestAll Models Do not exceed the coil's maximum specified amperage hen testmg he COl1 Colt, Junior, and 4BR ModelsConnect the black lead of L!J the tester to the ground lead of the coilConnect the red lead of the tester to the coil's breaker point lead Connect the high tension lead of the tester to the coil's secondary terminal f41
A steady spark in the tester at or before maximum specified amperage indicates good coilRefer to Ignition Coil Specificationsr;l Magneto C.DModelsThe ignition coil is tested with "normal" polarity connectionsConnect 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