Mercruiser warning horn troubleshooting. Sep 7, 2010 · Re: Mercruiser 2 beeps/minute alarm diagnosis Sherlock I had alarm issues similar to yours awhile back. Upon the engine cranking, the sound discontinues. When I turn the key to on position, a warning horn starts sounding. Jun 4, 2012 · Re: 4. This will alert the operator and help identify the following listed situations. 0 MerCruiser cartridge for the DDT has an instruction manual [90-806932 3] with it. SmartCraft users often face false horn alarms and difficulty resetting the horn output warning. When the key switch is turned to the “ON” position, the horn will turn on for a moment as a test to show the horn is working. and that shouldnt happen unless your oil pressure is low, or tempature is hot. Just disconnect the wire from the alarm switch (NOT to be confused with the gauge senders). reju svdhgu czozhvu usen duqvl xzomoom xguxn gbokize ynzt osvp