On installing my shark fin like antenna, I busted the original mount by drilling into the exiting busted stud so I can retread the new. Because of this, Receiption is poor as I must of snapped an internal wiring. I ordered a new mount from US for about $60 genuine. Pics attached - on install I should have opt for a my14 genuine sharkfin, it is clear they are compatible in wiring and fitting. That would eliminate in installing the sharkfin lookalike!