How to Test / Check Johnson Evinrude OMC Ignition Coils

Have you ever had a bad ignition coil? Is your outboard motor misfiring or not starting at all? You may have a bad or weak ignition coil. In this video I show you how to test your outboard motors ignition coils primary and secondary winding.
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[@danielrobert7181]

If I might add a little caveat, taking the secondary coil reading from the spark plug boot is fine if you get a positive result but an out of specs reading doesn’t mean you have a bad coil as the problem could be with the spark plug wire itself. Regards and thanks for the video !

[@thisoldoutboard]

Good comment

[@JoeBlowski]

Or a bad connection at either end of a spark plug wire due to corrosion.

[@JoeBlowski]

Zero need to isolate the coils from the armature plate, because the windings are already isolated.