1991 Ford Thunderbird MY HORN AND RADIO DOESN'T WORK

HEY I HAVE A 1991 FORD THUNDERBIRD AND THE HORN NOR THE RADIO WORKS AND I HAD A PROBLEM WITH THE LIGHTS BUT I FOUND OUT THAT IT WAS A BLOWN OUT FUSE. I WAS WONDERING IF YOU NEW ANY WAY TO FIX THIS PROBLEM IM GUESSING IT IS THE FUSES, BUT I DON'T KNOW WHICH FUSE GOES TO WHICH ELECTRICAL THING IN THE CAR SO I WAS WONDERING IF YOU CAN HELP ME