my radio light does not work
You can't fix just the light, you will need to replace the whole radio.
This issue can in fact be repaired, but you will need to know how to solder...gingerly. The problem typically lies with a resistor on the main circuit board inside the radio. It's located toward the "rear" of the radio and is either resistor R862 or R863. Typically, it just needs to be heated up in order for the existing solder to reflow, mending cracks that occur over time, being exposed to fluctuating temperature and constant vibrations. It is the result of poor craftsmanship at the assembly plant, but has been known to be repairable.
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