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  1. R

    mercruiser alarm

    Yes I can see where a over tight belt could be a issue, will wait on new sensor ans see Thx
  2. R

    mercruiser alarm

    Will check wiring waiting on new sensor, prices vary from $38 to $140
  3. R

    mercruiser alarm

    the problem is with my 350 mag s in my Sea Ray, I had to replace one starter, so I removed exhaust manifold to get access, drained engine of water and reassembled, now alarm goes off, ordered a new sensor and waiting on delivery. I checked belt for being tight,,, so many boats with alarm...
  4. R

    mercruiser alarm

    Hi I have read many issues about Mercruiser alarms, my personnal repair to my twin 496 mags was the serpentine belt had to be very tight to pump water to shut off the water pressure alarm and now my Sea Ray with twin 350s has one alarm that is beeping. turned out to be sensor on cooler on top...
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