ford galaxy fuse keeps blowing?

my ford galaxy 2.3 petrol keeps stopping and blowing a fuse, now it wont start and when i now turn the key the fuse blows befor i crank the engine, 1997,its number 14 in the fuse box in the long row at the bottom from left to right , i dnt have the fuse cover so im not sure what it controls please help , jeff, oh and ive changed befor relay 30,