i was running my boat at WOT over a 3-4 foot weed bed and all of a sudden my speedometer cut out a few seconds after that my motor alarm starts screaming like a bat out of hell. i killed the motor as soon as i could to avoid any damage that could have occured. i waited 10 min and turned the key and the alarm went off again, 45 min later i checked again and no alarm. i started her up and and took off. 45 seconds into the run my speedo came back online and it seemed to run alright. can anyone help me with some suggestions on what could have happened the alarm was a solid buzz 