That's probably older than a tape adapter.I had an FM modulator that plugged into the radio antenna inline. It worked pretty good.
My first car, '63 Dodge Custom 880, had an AM/FM tube radio, but the FM was not good.
Even by '72 when I bought it, we had plenty of FM.
That early Dodge effort just did not sound good.
I didn't know enough back then to think of switching out tubes.
Pic for the thread. NOT my car, but just like mine, except for the fancy shoes and the white top. Mine was all red. 383, 4 barrel from the factory.
The 4dr versions had a 383 2bbl, as a tip of the hat to the family man.
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