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Old 02-06-2019, 02:41 PM   #10
DavidM
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City: Litchfield, Ct
Join Date: Aug 2012
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The OP says that gauges, warning horn, and start circuit are all dead and there is no power to the "ignition" switch. That means that there is a problem with the DC supply to the switch and not the shift neutral or the starter relay as these are downstream of the ignition switch.


On many boats, modern Mainships for example, there is an "engine" breaker on the main DC panel that supplies the ignition switch. Look for something similar and if it is tripped, well ok. But on an older boat like yours it may be a bad/corroded connection. Start with the DC input terminal to the switch and work backwards. I realize that this may not be easy on an old boat.


David
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