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Boat Forum / Electronics / July 2009searay 180 bowrider 3.0
My Searay 180 Bowrider 3.0 Mercruiser blows the ignition circuit fus when I put it into gear. With a new fuse, it starts right up but th fuse blows again when put into gear. What's the problem? I understand from the dealer that there is a switch in the ignitio circuit connected to the gear linkage that momentarily interrupts th ignition circuit to allow for easier shifting, and that this switch ha a very sensitive adjustment. Any ideas? Thanks, Ke -- kenmgregory I am having the exact same problem with my Sea Ray 185. I was crusing o the lake and the boat went dead. I checked the fuse box and the ignitio fuse was blown. I put another one and as soon as I tried to start th same issue happened. I looked all over for a short circuit or an messed up cable but could not find anything. the boat has less than year and I have not done anything to it... like adding a new radio o any electrical thing. I will try to take to the dealer but they ma take some time to fix it since there is a big waiting list... :( I have been looking all over for a troubleshooting guide.. any ideas -- Daniel > I am having the exact same problem with my Sea Ray 185. I was crusing on > the lake and the boat went dead. I checked the fuse box and the ignition [quoted text clipped - 6 lines] > > I have been looking all over for a troubleshooting guide.. any ideas? Swapped out the RUSTY stator in my Sea Rayder F16XR2's 150hp Mercury Sport Jet and the fuses quit blowing. When the soft iron core is eaten by the water it ISN'T PROTECTED AGAINST, it swells a pile of rust...shorting out the turns, eventually. When I replaced it with an aftermarket stator, I coated the new stator in heavy axle grease, especially on the surface pointing to the whirling magnets in the flywheel. The grease will level off but not peel off, keeping the core separated from the OCEAN trying to eat it. Charged battery much better....had really PAINFULLY HOT spark!....stopped sputtering and would even idle, a 2-stroke magic trick! Pull the flywheel and see how much of the crap stator is left that's not rotted away.....Curse Brunswick, again, for its cheap design.....  Signature----- Larry Sea Ray....the expensive Bayliner! On Jun 7, 7:22 am, kenmgregory <kenmgregory.5801...@boatbanter.com> wrote: > My Searay 180 Bowrider 3.0 Mercruiser blows the ignition circuit fuse > when I put it into gear. With a new fuse, it starts right up but the [quoted text clipped - 15 lines] > -- > kenmgregory We are having the same problem with our 1998 Bowrider. Blew 20 fuses and still had to paddle to shore last weekend. Problem started last year and appears to happen when motor is warm/hot. Still no answers or diagrams which help. Seems like when I put in gear it dies. Keeping lots of fuses on had and trying to have fun, Calling the dealer this week. Let me know if anyone finds out anything. Bob and Barb Welker <bbwelker@gmail.com> wrote in news:723ad4ff-b587- 405e-aef8-e57fdc1ef07e@s31g2000yqs.googlegroups.com: > On Jun 7, 7:22 am, kenmgregory <kenmgregory.5801...@boatbanter.com> > wrote: [quoted text clipped - 29 lines] > Calling the dealer this week. Let me know if anyone finds out > anything. Have you guys tried swapping out the computer module to see if that fixes it? That would be the easiest to test as it just plugs in. Beyond that, I'd want to pull the flywheel off the motor and look very carefully at the stator coils, especially on Mercury motors. Inspect the soft iron core for ANY corrosion or swelling which trashes the magnetism making the power. My 150hp Mercury Sport Jet, which is just a V-6 power head bolted to a jet pump from inside the boat, rotted its stator coils the flywheel magnets pull against inside the flywheel. This is where the power to run the ignition system and, separately, the power to charge the battery comes from in outboards. Mercury, in Brunswick's infinite whiz-dumb, has no protective coating on the exposed soft iron core these coils are wrapped around that transfers the magnetic field from the whirling magnets to the coils to make power. My core, as it rusted away from raw soft iron being exposed to seawater and humidity, EXPANDED inside the coils, as rusty iron will always do, and eventually shorted out the magnetic field to the point where there was little spark and shorted the coils as the extreme pressure exerted pulled the coils asunder from INSIDE them. How stupid, Brunswick! I replaced the stator with an aftermarket stator and coated all exposed iron with heavy axel grease before re-assembly, much to the boat mechanic's dismay, to protect the core from getting wet! Duhh.....(c;] Never had an electrical problem, including fuse blows, after that... Her spark was so hot from the Thunderbolt ignition it would bite you if you were stupid enough to put your hands anywhere near those coils behind the cylinders! HARD! Just a couple of suggestions to try.... Removing the flywheel is a job for the proper puller and an experienced technician so you don't screw up the top end of the CRANKSHAFT...capice? It's NOT made to be hammered upon! (No, not me, someone else.) Signature----- Larry If a man goes way out into the woods all alone and says something, is it still wrong, even though no woman hears him? |
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