1985 thundercraft 16 ft 140 hp merc. well i got the fuel system straightened out, put boat in water, wouldnt start. gas to carb ok, i checked ,no spark .my question is should i just go ahead and replace the coil. or is there some test i should do first.question 2 can i replace coil with automotive or must i use marine only?all writing and numbers on old coil are illegible.do i just ask for a 12 volt coil?
