My stock GM radio started cracking and poping then no sound, the head unit still has power and seems to be working (am/fm, cd) no sound comes out of speakers. Heard there is a tsb ( other GM models are effected also) for a worn wire on amp that runs under the carpet. But can not find any soultions.
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Radios naturally come with am, so it will always work so long as there's power to the radio. Fm, however, is a built in receiver and if they break or start to break, then you will lose power to your fm which it sounds like is starting to happen to you.
name the lights, inside and outside that are dead.
lots of lights. there are, just park alone is 20 +
the radio is dead? all functions, A/M FM, CD , or ?
that is a blown fuse.
fuses must be tested, because:
1: fuses that look bad are.
2: fuses that look good can in fact be bad, (hair line cracks)
some radios, have their own fuses. very common if radio is not stock.
Good chance that the radio power supply to those speakers have gone bad. There common for the GM Delco head unit, when the head unit get's hot. The solder get's weak and then you have what they call a cold solder, causing a bad current flow to the power supply to the rear speaker wire harness.
If you like to keep the stock head unit, you can remove it and have a electronic shop repair the head unit. Or you can go to the salvage yard and see if you can locate an other head unit for around $50.00, you should be fine with the year of your Cavalier, the 2001 and newer head unit was mated with the car's Vin number through the ECM to have it function.
Thank you for using fixy and good luck.