Saab 93 (9-3) Discussions
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I have a similar problem. For about a year the radio has worked intermittently; when it doesn't work the turn signal noise doesn't either. Although there have been times it did when the radio did not. Sometimes when the radio is starting to go out it starts hissing and whining extremely loud. I can push the power button off but it still hisses and even continue if I shut off the engine. I was told it was either the radio head unit or amp. I replaced the radio head unit first and it did the same thing. I replaced the AMP1 and again, still no good. The fuses are fine. I have the red light on in the amp & radio so what else could it be? Could there be a short or a problem with the fiber optic even though I have the red light? Is there a way that I can check for a short instead of taking it to a garage or dealer?
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