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#1
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There are two of these, on the rear right and left of the motor.
 The picture is of one that has been spliced. The actual connection folds apart. Find each one of these, disconnect them and crank the motor. While running reconnect till the horn comes on, that will be the bad sensor. http://www.wellcraftv20.com/communit...ing+to+repairs If I'm not mistaken, it will start the horn without the engine on, just the key switch turned on.
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 '75 Cuddy with '00 Johnson Ocean Pro 150 horse Benny Last edited by tsubaki; 08-19-2008 at 03:37 PM. 
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#3
08-19-2008, 03:42 PM
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Well tsubaki I disconnected both of them and got the alarm still!
She sounded a little rough so I shut her off. I hope it's nothing serious.
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1985 Wellcraft V-20, Evinrude ETEC 150: SOLD 1979 Marine Trader 44, twin Ford Lehman 120s 2006 Panga 14, Tohatsu 20
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#4
08-19-2008, 03:44 PM
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Is the oil injection gone completely? Try unhooking the fuel restriction sensor by the fuel pump, that can also trip the buzzer.
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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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#5
08-19-2008, 03:43 PM
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Now, if you do happen to find it to be one of the sensors, be sure and determine if it is acting up when cold or if it is after the engine has ran a while.
If when cold, probably the sensor is bad. If after running a while, could be a stuck thermostat or blockage somewhere. If you have to change the sensor, do both of them and the thermostats also.
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'75 Cuddy with '00 Johnson Ocean Pro 150 horse Benny
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#7
08-19-2008, 03:46 PM
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Quote:
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1985 Wellcraft V-20, Evinrude ETEC 150: SOLD 1979 Marine Trader 44, twin Ford Lehman 120s 2006 Panga 14, Tohatsu 20
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#8
08-19-2008, 03:47 PM
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FERM's right. All the horn, oil and sensor stuff is connected together and tripped by the ground. Any of these can be the culprit.
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'75 Cuddy with '00 Johnson Ocean Pro 150 horse Benny Last edited by tsubaki; 08-19-2008 at 04:21 PM.
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#9
08-19-2008, 03:49 PM
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The tach needs a pulse hot and a ground to operate. Depending how the boat was wired it could create a problem but I would expect it to be in reverse. Nothing working while disconnected
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'75 Cuddy with '00 Johnson Ocean Pro 150 horse Benny
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#10
08-19-2008, 03:55 PM
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I have no idea where the book to my motor is. Was gonna trace the path and color of the horn wire to see what we might have overlooked.
Does the horn come on with the key switched on or only when the engine is running?
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'75 Cuddy with '00 Johnson Ocean Pro 150 horse Benny
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