Baffled with electrical issue

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  • Jef
    TT Newbie
    • Sep 2019
    • 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!
  • thatsmrmastercraft
    MC Master Poster
    • Sep 2008
    • 17631

    #2
    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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    • Jef
      TT Newbie
      • Sep 2019
      • 2

      #3
      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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      • jwmiller
        TT Regular
        • Sep 2007
        • 94

        #4
        Responding to old post.

        I am having similar issues. What ended up fixing
        John Miller


        2005 Prostar 197 Orange & White

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        • 88 PS190
          MC Addict
          • Aug 2005
          • 6656

          #5
          Originally posted by jwmiller View Post
          Responding to old post.

          I am having similar issues. What ended up fixing
          Usually if the battery is good but absolutely everything is dead you have bad battery cables or connections. But you really need a voltmeter in these cases.

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