twin mercruiser 350 engines - occasional beeping noise 2002 formula 28br

by jerry hill

2002 formula 28 br 50 twin i/o mercruisers, This past weekend there had been a beeping noise occasionally ( sounds like a smoke alarm when battery is going dead). As i drove the boat at 30 mph approx 3100 rpm it made this noise. all gauges oil, battery, rpm, were all at regular numbers. i have twin mercruiser 350 engines, i checked the oil/stering lube container on each and they were filled.

i played with the bilge pump switches shut on off but alarm/beep continues. the alarm/beep is not continueous but beep and then a few minutes beep again would shut off after about 15 minutes. any help would be great. boat was serviced before putting in water in mid april jerry H

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