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    Switched battery cables accidentally now no power

    Hello all, I was putting in a new battery on my 2006 Tahoe Q4 w/ 4.3 mercruiser and accidentally switched the positive and negative wires. It sparked, and now I have no power. If I turn on the master power, my lights and radio work, but I have no power to the ignition. I don't even get the...
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    Mercruiser Exhaust Manifold too hot??

    I have a SeaRay 176 w/ Mercruiser 3.0. I have been concerned about the operating temp. While on the lake , i took a temp gun and shot different parts of the motor. I got 170-180 everywhere except for the exhaust manifold. It was 200-205 up front and 195-200 near the back. Should i be concerned...
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    Ignition fuse blowing - 2003 Searay 176 w Mercruiser 3.0

    Any help that anyone could offer would be appreciated. I was on the lake last night when after about 20 minutes the boat shut off. I turned the key to crank and got nothing. Found out that the ignition fuse was blown. Luckily I had extra fuses. I replaced the 15 amp fuse and turned the key to...
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    30 hp Mariner hot?

    1990 Mariner 30 hp. I just dropped the lower unit to correct a linkage problem and while I had it open, I replaced the impeller. I hooked it to the ears and ran it in my driveway and everything seemed fine. It was peeing as it should and water was coming from the exhaust on the shaft...
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    1990 Mariner 30hp problem (no reverse)

    Hello, I am new to boating and have found that this site contains a wealth of info for the beginner. Hope you help once again. My motor either stays in forward all of the time or sometimes it won't go into gear at all. I can crank the motor and try to put it in gear and it will just rev up...
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