radio codes and clock help

[geordieclio]

just happened when i start car up each time the clock resets to 0:00 and the radio asks for it's code, i know how to change clock and have the code but does anyone know why it keeps reseting?

 

[fUbAr]

battery connections?

bad earth?

 

[geordieclio]

i know nowt bowt electrics should i take it to a dealer?

 

[The Hoff]

I think you've answered you own question mate

I'd bank on a bad earth point.