delco lock

[js79/89anvta]

does anyone know some codes that will unlock this stupid radio. I get upset when i have to work on electrical system having to unhook bat, locks that radio everytime tks jason

 

[Jan Larsson]

there's no unlock code. just press the mute button (if I remember correctly) on the steering wheel controls

 

[ChrisK]

Yep its the Mute Button.