Radio works good in the summertime, only when real hot outside! when it get's cool outside it sound's squeeky and volume won't turn up. If you turn up volume the squeaky noise get louder. you can still hear radio, but it sound's low and squeaky! Also I pulled out fuse for amp no change in sound. the fuse is good. I don't think I don't think I have an amp, it is a basic radio, with a cd player.
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.
SOURCE: radio and cd player stoped working suddenly
the security on the radio has been tripped you need to take it to a GM dealer and have them run a code to unlock it CAL means calibrate
SOURCE: 2004 Chevy Trailblazer radio and CD player works, but no sound
if you have installed a new cd player in there then the propblem could be that your speaker wires and either touching each other or grounding them selfs out.. pull of the cd player and check to make sure all the speaker wires are covered properly and no bare wires are exposed.. if you still have a factory cd player in it then you will probably need to take it to a dealership to have it checked out..
SOURCE: 2005 colorado cd player
The same thing happened to me when my 05 colorado was new. If you play homemade cds, that have the old paper labels, they get stuck in the player. sometimes if you take the player aprt and get the cds out it will work again. But I have seen them get ruined from this also and have to be replaced.
SOURCE: Truck Radio/CD Player, no sound coming out of speakers
Have you check the mute mode, maybe it is in mute mode.
SOURCE: Radio works (tuner, volume control, cd) but no sound
If your radio looks to be working and no sound, open trunk and mounted underneath the deck lid you will see your amp or sound booster. It should have two plugs that plug into it. Unplug the one with two orange wires and with the car switch turned on, check to see if the two orange wires have power on them. If they don't get ready to take out the rear interior and underneath the rear carpet almost at the front seat you will see a big plastic sleeve full of wires on the passenger side. Inside this sleeve there will be one orange wire branching into two orange wires, check to see if it is corroded. That would be where I start.
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