Reply To: 1988 Johnson 9.9 NO spark.

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June 29, 2019 at 8:56 pm #178208
Mumbles
Participant

    Before unnecessarily replacing expensive parts, a little bit of trouble shooting with an ohmmeter will help to narrow down what is wrong. I don’t have the specs in front of me at the moment but there are given values for the charge coil and sensor coil. I’ll dig around later and see if I can find them for you.

    Another suspicious place to check is inside the Amphenol connector(s) coming from the mag plate. The pins inside can get corroded or get pushed back inside the connector making for a no go situation.