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    Bilge Wiring Diagram - 1999 Bimini 306 - adding a bilge alarm

    Just passing this image along for others to reference. It took me a while to trace out the as built. I ended up splicing the alarm in up at the console area using double blade femail connectors instead of the 3way crimps as shown in the image. My new insurance company requires a bilge alarm...
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    Condensation dripping on fuel tank fittings

    I have a 1999 Bimini 306. When ever I pop off the cover of the access holes above the fuel tanks I find they are wet on the inside cover with condensation build up - all summer & fall.. Also it drips top of the tank. There is always a puddle on top of the tank around the fittings both front...
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    Balsa core repair on my 1999 Grady White Bimini 306

    Hi - sharing a brief video showing discovery through finished project. It's a 14 min video with video, still shots, and more video. The boat came out FAR better than I could have asked for or expected. I have a strong recommendations to reseal your through hull fittings. In addition to the...
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    Delamination port side - down to bottom paint

    1999 30' Grady - Bimini 306 - Center Console I recently had my boat transported to the boat yard where some work is going to be done on engines (2023 Suzuki 250s) I noticed there was a scuff mark 4 feet back from the rear of the boat. The transport strapping scuffed the bottom paint onto the...
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    Battery Cable Harness replacement - 1999 GW Bimini 306

    Hello - I'm undergoing a number of overhauls in the off season, one of which involves replacing the ox66 engines with Suzuki's (on order). I just sold my original engines and this weekend and as part of that package the new owner wanted the rigging. So I removed the wiring harnesses and...
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    Transom Rebuild - follow my journey

    1999 GW Bimini 306 Blew starboard OX66 2 weeks ago. Piston rap. In search of replacement low hour 4 stroke 250s. Had recognized some transom signs of issue over last few seasons. Figured while engines off might as well get it repaired if possible. Here is where I am so far. Estimate 10K -...
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    Mounting Canister Life Raft on Older Grady T-top

    Hi - wondering if anyone has mounted a SOLAS A or B canister life raft on their Aluminum Tube - T Top. My dealer recommends not doing it, but wonder if anyone has. Perhaps with building more support. Weight of these is between 130 & 160 lbs. If yes, any pictures, or any problems with use...
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    PROBLEM SOLVED - OX66 - High Idle & intermittent no ignition

    Hello - I have 2 issues. I'm not sure if they are related could use some qualified help on next steps. 1999 GW Bimini 306 Twin 1999 Saltwater Series OX66 250HP I do my own maintenance, and have the service manual Problem Description : High Idle - 1100+/- RPM. The first issue began about 5...
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    Wiring help with reverse polarity mechanical console switch

    Hi - I could use some wiring help with reverse polarity switch on my Bimini 306 console switch. I can't figure out how to wire the 6 wires of the switch. The switch is spring loaded press up or press down to make console go up / down. Over winter I had redone wiring to address some corrosion...
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    Need help w/ Fuel Sender wiring on new tanks

    Hello - I just got done installing new tanks in my 1999 GW Bimini 306. Here is the original thread where I show the before & after pics and process. https://www.greatgrady.com/threads/1999-bimini-306-replacing-fuel-tanks.30820/ Unfortunately after launching and fueling up, neither tank is...
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    1999 Bimini 306 - replacing fuel tanks.

    Lesson learned. The fuel tanks need to be rinsed regularly, and the deck plate o-ring seals are prone to leaking. I have had this boat since 2005. About 5 years ago, I pulled the deck plate to have a look underneath. I saw A LOT of white jelly. Sadly - I thought that jelly was a protective...
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    Looking for performance comparison - 1999 Bimini 306 w/ Ox66

    Hi I'm looking to compare numbers w/ someone w/ a similar setup. I would be interested in hearing from either Marlin or Bimini 306 owners running the SaltWater Series OX66 2 stroke engines. Yes I know the engines are old, but they only have about 1100 hours, and have been well maintained. I...
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    Replacing Ladder Brackets for 1999 Bimini 306

    Hi - been absent for a while... Just passing this along. One of the kids (or their friend - translation "wasn't me") twisted the ladder while removing the ladder from it's brackets and broke one. Grady White declares this an obsolete part. But I called Grady and they gave me the...
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    tachometer light (yamaha)

    My tach light on one of my guages is out. If I tap it it flickers on, but then goes out again. Is there a light bulp that I can replace on these, or does the whole damn thing need to be replaced? Thanks. Ed