Reply To: Johnson TD 20 1946-1949

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June 20, 2019 at 12:57 pm #177643
Mike M
Participant

    Thanks for info.. I have no spark in upper plug when using plug tester.. lower plug sparks great.. I switched the condensers and still no spark at top plug. I guess I will switch coils and see what happens with upper plug before I replace. Could it possibly be anything else? Thanks again