Went to start motor and nothing. The tilt on outboard was working but not on the tiller steering. Noticed that fuses were burnt so i replaced them. They kept burning. I wrapped wire around fuses to get it started. Then drove 6 miles to harbor. Everything was fine. Shut off motor. Went to rinse motor and as soon as i started motor the electrical box started smoking. Heavy white smoke! Please help! What seems to be the problem?