radio restarts at high volumes

Have you actually measured the voltage? What other gear do you have? Other electrical issues?

i havent measured the voltage at the radio, yet, but i will in the morning. but i dont have any other electrical issues.If I'm to loud, then you're too old!!!

sounds to me like you need (a) a new bigger alternator to keep you charge from your battery  because you re drawing to much power from your system and your charging system cant keep up (b) you can get a new battery like an optima red top or yellow top (c) you can get like a kinetik battery like an hc 1200 and use it as a secondary battery and that should fix your problem95 toyota corolla

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Until he gives us voltage readings I'm not convinced it's his charging system. He stated his is not having other electrical issues. Adding additional batteries is not the solution.