Well, It's happened again. The "ignition" key on my diesel got shut off while the engine was running (before stopping the engine with the stop lever) and it fried the diodes in the alternator.
Question #1. Can anyone explain the failure mechanism to me? Question #2. On my last boat I was able to buy a protection device (I think it was called a "Zap-Stop") that protected the alternator in the event someone shut off the key with the engine running. The dealer I bought it from is now out of business and I can't seem to find it anywhere. Does anyone know how I can protect the alternator from this happening again? Thanks, Gary S/V Kaylarah '90 C&C 37+ East Greenwich, RI, USA ~~~~~~~_/)~~~~~~
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