1987 340 Sundancer Electrical Short???

dcogaming

New Member
Oct 20, 2010
15
Lower Niagara River - Lake Ontario
Boat Info
340 Sundancer 1987
Engines
454 Mercruisers
Hi I posted this originally in the general maintence and now realize this may be the more appropriate place to post this question.

I have a 1987 340 Sundancer. I have been doing a total resto on her. I now have her in the water and all battery powered systems seem to be operating perfectly. What I am finding though is I am unable to plug in my shore power without popping the breaker on the dock. I have purchased a new Marinco cord along with a new AY splitter. When I look at the breaker panel below deck I notice that the polarity lights are not registering at all (neither reversed or normal). My AC voltmeter is showing 120-150 (when it will stay on). Initially I was able to at least turn on the AC/Main and even get the charger/converter on with the outlets sometimes. Now as soon as I turn on the AC/Main the the docks main breaker pops. I have tried plugging in to other plugs at the dock on different breakers and still get the same response. This has become a real pain since I cannot leave any of my dc circuits on without worrying I will have dead batteries in a day or 2 without the charger. :smt089:smt100:huh::smt101
 

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