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Old 11-21-2018, 09:49 AM
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joe_db joe_db is offline
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I still don't understand what exactly was wrong or how you fixed it.
I worked as a boat builder and later ran a shop that worked on boats specializing in electrical issues. Your problems and the cure are not lining up for me.
Not to be a downer, but it is possible your still haven't fixed your issue. I went nuts for with random shutdowns for several years until I discovered the fuel fill line was dissolving and dropping bits of rubber into the fuel tank. These bits would suction onto the pickup tube, block the fuel flow, and then drop back off later.
The electrical system in general only has a few ways to cause shutdowns. The coil and the fuel pump both need adequate voltage to work and not so much they burn out.
My first suggestion would be to get one of these:
https://moyermarine.com/product/the-...m-ktas_01_564/


I really can't emphasize enough how much time, trouble, and money this plus a vacuum gauge on the fuel filter will save you. One tow home or one missed weekend avoided and this will have paid for itself.
BTW - NEVER EVER let the "mechanic" who shut down the engine with the master switch near your boat again.
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