1980's FM converter that connected to an existing AM radio in cars that only had AM radios. Put one in in my '80 Olds Cutlass Calais and cruised around in style. :
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FM converter box, turned any AM car radio into an FM radio. I got one when they first came out and used it until I got a car that h… | I
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Do You Remember? - fm radio converter ... look familiar to anyone? | Facebook
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Transmitter - Wikipedia
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REALISTIC FM Converter Model NO 12-1348 Vintage Car Radio- Not tested AS IS | eBay
FM to AM Converter for Vintage Radios - RF Cafe Cool Product
