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#1
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engine alarm???
hay guys, my 94 jonny 175 has a problem with the alarm going off.sometimes as soon as i turn the key on,hot or cold.steady tone! i ck. all the oil level & fuel. i'm thinking of a short in the control box,i bang on the box & wiggle the wires going into it as well as by the motor.still going off.then it just stops by itself.only happens once in a while.any ideas???
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#2
11-15-2011, 03:05 PM
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Could be a bad blocking diode at the engine, or a shorted out warning horn.
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2011 SUNDANCE B20CCR SKIFF, 2011 YAMAHA 90HP 4 STROKE, 2011 KARAVAN SINGLE AXLE ALUMINUM TRAILER, LOWRANCE ELITE-7 HDI, MINN KOTA RIPTIDE TROLLING MOTOR 2000CC HYDRA-SPORT 225+HP EVINRUDE SOLD  AND THE PINK JEEP!!!! R.I.P. http://www.wellcraftv20.com/communit...ad.php?t=11664 
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#3
11-15-2011, 03:49 PM
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Is it an Oceanrunner? Only reason I ask is because mine would do the same thing after performing all the checks. One month later I was idling back, not by choice.
Is it doing it when the key is on(not started) also or just when she is started?
__________________
- The charm of fishing is that it is the pursuit of what is elusive but obtainable, a perpetual series of occasions for hope. Lucky Jack - .......The Surprise is not old; no one would call her old. She has a bluff bow, lovely lines. She's a fine seaboat: weatherly, stiff and fast, very fast, if she's well handled. No, she's not old; she's in her prime. 85' Wellcraft 20 Fisherman "Guale Girl" 1979 Alumnacraft 14 - STILL got holes in it 2006 WS Tarpon160f - "Mudd Butt"
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#4
11-16-2011, 10:47 AM
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my experince with diodes are they are either good or bad.my problem is intermittent.Also it comes on sometimes as soon as I turn the key to ign.pos. (cold motor), & stays on when it starts. it'll stop on its own after a while,sometimes while underway it'll come on & off,& it's definitly not overheating.BTW it is an OCEANRUNNER.Its very annoying when you load up & are ready to head out for a nice day of fishing & that damn alarm goes off.
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#5
11-16-2011, 10:58 AM
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i have a merc, so its an apple to oranges, but have you isolated it to oil sensor or heat sensor. i had a oil alert box go bad and it would do similar things. on mercs an intermittent horn is oil & a single horn is heat.
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#6
11-16-2011, 11:30 AM
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The blocking diode is there to keep the power pack from tripping the alarm system, and when the blocking diode goes it can cause eratic warning horn operation. Being an OCEAN RUNNER means nothing here as OMC used the same harness and system on ALL engines of each generation. You need to isolate wether it is an overheat, fuel restriction, or oil injection alarm triggerring it. You need to check that the blocking diode is there and working so as to avoid the power pack from inadvertantly triggerring the warning orn or the warning horn triggerring the engine safety system and running at reduced RPM's.
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2011 SUNDANCE B20CCR SKIFF, 2011 YAMAHA 90HP 4 STROKE, 2011 KARAVAN SINGLE AXLE ALUMINUM TRAILER, LOWRANCE ELITE-7 HDI, MINN KOTA RIPTIDE TROLLING MOTOR 2000CC HYDRA-SPORT 225+HP EVINRUDE SOLD AND THE PINK JEEP!!!! R.I.P. http://www.wellcraftv20.com/communit...ad.php?t=11664
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