Hello, I am new here and I hope somebody can answer my problem.<br /><br />I have a 1989 ProCraft Fish & Ski with a Mariner 115 outboard. It is actually my Dad's boat and since he is hard of hearing he had the warning buzzer wired to a horn so he could hear it if it went off. I dont know if they disconnected the buzzer or if they just tapped into the wired and it is running both.<br /><br />First, where is the buzzer located in the boat? I think it is disconnected because I dont hear it when I turn the key on, just the horn.<br /><br />Second......I was flying across the lake with my wife and son last weekend and the horn started going off. I immediately shut it down and turned it off. I checked the oil and it was fine (about half a tank) and the temp gauge was at the first hash mark. I then turned the key to the on position (motor still off) and the warning was still sounding. I trolled over to the bank (didnt want to look like an idiot sitting on the main body with the cover off the motor)and took the cover off. I didnt see anything obviously wrong so I put the cover back on but it still sounded the warning with the key in the on position. It started to rain (my luck) so I started the motor and headed in at an idle (after cutting the wires to the horn).<br /><br />The motor sounded completely normal and the temp gauge stayed right about the first hash mark, went a little above but would came back down.<br /><br />How does the warning system work? Does it sound off on low oil in the tank? Or does it detect oil pressure going to the carbs? <br /><br />Dad thinks it is possible the water pump is going out, I think there is some kind of problem in the warning system because the warning was sounding without the motor running. <br /><br />Thank You in advance for your help.<br /><br />Ed.
