well i did some research and found out its the 7.5amp fuse? well on mine the 7.5 is the dimmer relay and i dont have a fuse in there but theres a 7.5 in the spare fuse part and i tried putting it in where it says 7.5 is suppose to go but it would lock in, i mean it just went in it didn't get firm in place, you know what i mean? lol