Radio sound low and squeeky, works good in summertime
The volume control on your radio is called a potentiometer, which may be going bad. It works better when its warm because materials expand as they warm up and make tighter contact with each other.
It is also a possible a bad wiring connection exists. Poor contact will cause static, poor audio quality and intermittent output.
Your radio will have plug type connector(s) Your speakers will most likely each have two wires with single female spade connectors of different widths (keeps the polarity correct) the wire with the stripe (of whatever color) will be connected to the negative (-) speaker terminal.
So you need to check all the connections, one is making poor contact.
If both speakers (assuming you have two) sound good or bad... then start with the plug connectors for the radio and any independent black ground wire coming out of the radio.
If one speakers sounds okay check the connections on the other one. You check the connections by carefully pulling the speaker wire off of the speaker and then carefully pushing it back on making sure it feels tight and secure.
PS: If you pull the fuse for the radio, the radio will have no power and will not work. The radio coming on proves the fuse is good.
PSS: Your owners manual should provide lots of information on your sound system components.
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