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.
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