Modified inner ring of the steering wheel. Basically, because my wheel is from an mr2, my ring that contacts for the horn was too far to the inside, so i had to expand it. First i removed any notches or pins with a dremel, i then filled all the holes and smoothed it with 2 part epoxy. After the epoxy cured, i used a conductive paint i had laying around meant to repair rear defrosters, to coat the entire surface and make a solid connection to the inner ring. because i knew the paint