How is the power antenna removed from the front fender of a 1983 Oldsmobile ninety-eight?

To remove the power antenna from the front fender of a 1983 Oldsmobile Ninety-Eight, first disconnect the negative battery cable to avoid electrical shorts. Then, remove the trim panel from the fender to access the antenna mounting screws. Unscrew the antenna from its bracket and disconnect the electrical connector and the coaxial cable. Finally, pull the antenna assembly out from the fender opening.