I had just took out a batterry to fully charge it. Put it back in did not cross wires but there was some good sparking upon connection. Went to start port 1996 150 johnson oceanrunner which has always crnked and now just winds. Bedix does not engage to turn motor and some gauges on dah are pegged out. Could there be a fuse that is blown or worse. what would be the next thing to eleminate