happens to all my cars when i try to mod the inside.. and i end up resoldering them on with a 30 watt.. call me crazy, it takes like 20 minutes for one wire.. one time on my first bit i got so mad, cuz 2-3 wires came off i ripped out all the wires hahahah i bought a new one.. i usually end up buying a new bit when i get pissed.. *sigh*