2007 Crownline Mercruiser 185 HP V6 Sudden Quit No Power To Ignition

Gsex10

Cadet
Joined
Jul 30, 2016
Messages
16
Yesterday after an hour out on the boat and on my way back in just cruising at under 3000 RPM, The engine just suddenly killed. Turn the key to re-start and there is nothing, no ignition whistle, No gauges, nothing. Navigation lights, Bilge, and Blower all have power though. I checked the 50 Amp circuit breaker on top of engine and it had not triggered. Alternator was charging and battery still has a full charge. I cannot find a bad fuse anywhere Yet there is no power to Ignition switch.......I have had this boat since new and the only issue I ever had was two years ago when I could not turn the boat off with the key and had to trigger the 50 amp breaker to shut boat off. Dealer repair said it was a diode that had gone bad and they replaced it. Any one have any idea whats going on?
 
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