I have a 1975 stamas 26 foot hardtop. boat is equiped with a 1999 5.7 vortec engine. last time out while in slow/no wake zone, alarm started going off. alarm is constant beeping noise. checked all engine vitals and all were ok. normal oil pressure 170 water temp and 14 volts. all as boat always has run. upon checking everything out we decided to proceed with our day. boat was fine . boat is now home on the trailer and alarm is still going off as soon as you turn on key. can not find where alarm is coming from. any ideas??? thanks eric