Not that I know of. If everything works but the radio itself, chances are it is bad (the receiver). Otherwise, nothing would work. I would say the speakers are fine and the radio needs replaced or repaired. Here is a guid to help check the wiring with the radio wiring diagrams below.
https://www.2carpros.com/articles/how-to-check-wiring
Check out the diagrams (Below). Please let us know what happens.
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Thursday, October 13th, 2011 AT 12:46 AM