How do you replace antenna on 1987 grand national?

To replace the antenna on a 1987 Grand National, begin by removing the interior panel or cover that conceals the antenna base, typically located near the rear passenger side. Disconnect the electrical connector and unscrew the antenna mast from the base. Install the new antenna by reversing the process: screw the new mast onto the base and reconnect the electrical connector before replacing the interior panel. Finally, test the antenna to ensure proper functionality.