Check fuse 12, 7.5 amp which covers r/h side lights and dash illumination. Also fuse 17, 10 amp which covers radio permanent feed and courtesy lights. Neither would stop radio working completely.

Richard

2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone