Ihave a 1990 honda civicdx my horn and brake 20 amp fuze keeps blowing nothing weas done?

Ihave a 1990 honda civicdx my horn and brake 20 amp fuze keeps blowing nothing weas done?

Try disconnecting the wire to the horn(s) and see if that works. If not, keep the horn(s) disconnected, and pull the horn relay out. The horn(s) & or the relay could be shorted out.