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07-07-2020, 11:13 AM | #1 |
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At a loss...
I have a 93 23' bow rider with a 350 mercruiser magnum (carburetor), that I shorted out trying to fix the rpm gauge. The rpm gauge was not working, so I removed the whole cluster to find a loose wire hanging from the tach that was labeled "ground", so I just "assumed" it came loose somehow, but I could not see where it would have come from since it had a female connector on it, but I could not see a male connector anywhere within it's reach, so, with the boat idling, I touched the dangling wire to one of the screws holding the gauge in place to see if the gauge would work... The boat just died. I have no power to the engine, or gauges whatsoever. No click, no nothing, but all the accessories still work, blower, power engine hatch, trim tabs, lights, etc, etc... I reset every breaker on the panel, but still have no power to the gauges/engine. Obviously, I tripped a breaker, or blew a fuse somewhere, but I can't find it for the life of me! There is no "in line" fuse under the dash anywhere that I can see, and I found 2 in line fuses on the engine, but both were good, and the 50amp breaker on the engine didn't need to be reset... Now I am at a loss as to where to look. Any suggestions before I have to bring it somewhere...
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07-08-2020, 10:59 PM | #2 |
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Sounds like you grounded out an ignition wire. I am not 100% sure on boats, but on a car there should be a hot wire while cranking and a hot wire constant once ignition is on. The dead short could have fried a wire somewhere before it blew a fuse. What screws on the gauge were you touching it to? The tach should receive an electrical signal from the distributor/cam sensor, not sure what would happen if you dead shorted it. Hopefully that gives you some direction to look in, sorry i couldn't be of more help.
I'd also check the ignition itself, see if it is getting power and then work to the source from there. |
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Cal Coon (07-09-2020) |
07-09-2020, 08:06 AM | #3 |
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For anything electrical, if you need help call Nick at NW Marine Industries.
www.nwmarineindustries.com/ |
07-09-2020, 08:53 AM | #4 |
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You are going to need a multi-meter to start checking things..... Start with the ignition key switch and work your way back! You might be able to find a wiring diagram for your boat online.
Woodsy
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07-09-2020, 09:33 AM | #5 |
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NW Marine
I second the recommendation for calling Nick, 207-266-1888
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07-09-2020, 09:37 AM | #6 |
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Don't you just hate when stuff like this happens?
Good Luck with the fix. |
07-09-2020, 03:58 PM | #7 | |
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Quote:
Really as suggested bust out a multimeter that will be the only way to see if you have power going to and out of your ignition switch. If you have a fuse block I'd start there and make sure you have power where you should then go from there to the ignition switch and so on. Having a schematic in this case would be really helpful to map out how things are wired. One thing to remember with a boat there really is no chassis "ground" it's typically operating off a floating ground, possibly in line off the engine block or off the battery itself. |
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07-09-2020, 06:58 PM | #8 |
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I will be calling Nick at NW Marine. Thanks for all the tips and/or advice, appreciate it very much.
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07-09-2020, 08:28 PM | #9 |
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I third the recommendation for calling Nick, 207-266-1888.
He knows his stuff and is very good. Local marinas are using him for wiring and electrical issues. Good work and a fair price. |
07-15-2020, 07:17 PM | #10 |
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Turned out to be the kill switch lanyard somehow shorted out. All set to be back on the water this weekend!!
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Top-Water (07-17-2020) |
07-17-2020, 07:16 PM | #13 |
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A Winni Forum rafting party in the north!
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07-17-2020, 09:46 PM | #14 |
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07-20-2020, 10:30 PM | #15 |
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Well it hasn’t been quite as uneventful as I had hoped we were stranded in the bay today with a no start while trying to swap out skiers for tubers this afternoon! I am thinking battery, might be alternator, but I’ll have her fixed up ready to roll tomorrow am!! We are up in Buzzels cove if anyone wants to meet up for a beer and shooting of the breeze!
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07-21-2020, 05:38 PM | #16 |
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