im not getting any electricity to the fuse box but everything works .

What is your question?

fuel pump comes on for a few second at the turn of the key then wont start or come back on.man am i puzzled im a cretified outboard mechanic, but gots me stumped. i checked the fuseable links to the starter and there good ,new relays and fel pump .some please help if you can lead me were to check next.much apreciated.