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    Mercruiser Trim pump blowing fuses

    Hello, I have 2007 Mariah SX19 with a 4.3 i/o.The boat has sat for two years in dry storage. My trim pump had started to leak so I replaced the reservoir and seal. I also drained the fluid as best I could after replacing it by cycling up/down and disconnecting at the cylinders until the fluid...
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    4.3 merc crankshaft position sensor wiring

    I bought a 2007 mariah with a 4.3 mercruiser with a bad block. I have replaced the engine with a remanufactured 4.3. I must have hooked the wiring up wrong or something as I have a 2 wire female weather pack left over and cannot find the three wire pack for the crank position sensor. The two...
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    Water in Outdrive (not in the oil)

    Apologies if this is normal, but I am a car guy that decided to tackle a 4.3 project and am learning as I go. I did search for this, but all I could find were threads where people had water in the outdrive oil. I am pulling the 4.3 next weekend so I pulled the outdrive off today. When I...
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    4.3 Merc Troubleshooting help

    I just purchased a 2007 openbow with a 4.3 Mercruiser that supposedly threw a rod. I picked up the boat very discounted as it was assumed it needed a new engine. The owner told me he was driving it last season and it started making a bunch of clunking noises and running rough. He shut it down...
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