Hopefully you guys can give me a little insight. I took my boat (2001 21i with merc 350mag mpi) out yesterday and about 50 feet from the dock the alarm sounded. Voltage meter on the dash read about 11 volts and the engine seemed to misfire and have trouble running smoothly for a minute. Boat is on the original alternator and I am inclined to think that is the first problem. After getting back to the dock, when I turned the boat off, the motor didn't completely shut down, in fact it acted like it was trying to start again (starter engaged and kept cranking). When I would turn the key back to the "on" position the motor ran normally (albeit at 10-11 volts) without starter noise. After 3 or 4 tries to turn it off it finally stopped/stalled out. Would that be a bad solenoid? Is there a connection to the alternator/voltage system that would cause all this at the same time?
I recently purchased the boat and it has a perko battery switch installed as well. With the switch to the off position, all the accessories still work (didn't try to start). I was under the impression that is not supposed to happen, hence having a switch. Shouldn't it cut the power to everything? I pulled the switch off the wall and it appears to be connected properly. After the above, I will remove the switch and work on a single battery system until I can get this sorted out. Thank you for any advice you can give me. Much Appreciated!!
I recently purchased the boat and it has a perko battery switch installed as well. With the switch to the off position, all the accessories still work (didn't try to start). I was under the impression that is not supposed to happen, hence having a switch. Shouldn't it cut the power to everything? I pulled the switch off the wall and it appears to be connected properly. After the above, I will remove the switch and work on a single battery system until I can get this sorted out. Thank you for any advice you can give me. Much Appreciated!!
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