How do you install a radio on a 72 dodge dart swinger?

To install a radio in a 1972 Dodge Dart Swinger, start by disconnecting the negative battery terminal to ensure safety. Remove the dashboard trim and the old radio by unscrewing it from the mounting brackets. Connect the new radio's wiring harness to the existing wires, matching colors appropriately, and secure it in place using the mounting brackets. Finally, reattach the dashboard trim and reconnect the negative battery terminal.