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  1. SeanKroll

    How do I test my MS 660 magnum ignition module?

    Thanks!
  2. SeanKroll

    How do I test my MS 660 magnum ignition module?

    For real though, is it really a big shock? I think I've tested this way before, without injury.
  3. SeanKroll

    How do I test my MS 660 magnum ignition module?

    why not? can't be that powerful, can it? I've got an employee :lol:
  4. SeanKroll

    How do I test my MS 660 magnum ignition module?

    Better to hold the plug and pull! Easy! Forgot about that. Its possibly the spark plug boot's wire disconnected from the main wire coming from the IM. Can I use a test light to check that wire by poking through the insulation on the main wire? I think it quit running out of nowhere, so...
  5. SeanKroll

    How do I test my MS 660 magnum ignition module?

    I don't seem to get a spark when pulling the starter cord with a spark plug in the boot and the electrode on the engine block. When I looked on eBay, there were aftermarket ignition modules for under $12. At the Stihl dealer, $135. Are the aftermarket modules crap or a deal?
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