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Old 09-03-2019, 10:29 AM
Jef Jef is offline
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Join Date: Sep 2019
Boat: Mastercraft, Prostar 190, 1993, 351 Ford, 285 hp
Location: United States
Posts: 2
Baffled with electrical issue

My 1993 190 Prostar with a 351 Ford Indmar was operating just fine. Warmed it up at the dock... shut it down... came back... turned key... nothing. No click... no gauges... nothing. I started working from the battery switch to the breaker behind the block... both good. I had power to all 4 posts on the ignition... but I replaced it anyway... no change. Ignition breaker on the dash panel has not tripped... what am I missing. Thanks!
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Old 09-03-2019, 10:55 AM
thatsmrmastercraft's Avatar
thatsmrmastercraft thatsmrmastercraft is offline
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Join Date: Sep 2008
Boat: 1977 Stars & Stripes
Location: St. Paul, MN
Posts: 17,596
I would start with cleaning the main battery cable connections.Remove and clean each with a wire brush. Don't forget the block ground....it's the most likely cause.
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Old 09-03-2019, 12:02 PM
Jef Jef is offline
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Join Date: Sep 2019
Boat: Mastercraft, Prostar 190, 1993, 351 Ford, 285 hp
Location: United States
Posts: 2
50 amp Breaker

Thanks for your reply.. I will check the ground.

I have read several posts that talk of a 50 amp breaker... there is a 15 amp breaker mounted just aft of the block on the plate where there is a battery switch... it was fine but I don't know where to look for a 50. Any thoughts? Thanks!
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