Minn kota has a quick removable mount that would mount in the front, under the door cut out.
You do need to make sure that the trolling motor has enough thrust and also a long enough shaft for your pontoon. If it's underpowered it won't do you any good. If the shaft is too short the...
The tone can mean there is something wrong with the engine. It's possible that if you have a OneWay diode incorporated into your battery cable going to the engine, it may have blown. If that's the case, you better not take it out. It will leave you stranded.
