Did that lower dash steering column cover survive the disassembly process? I’d be interested in that for my buddy’s 68 300. I think that’s the same piece for both years.
That looks to be the same am/fm radio I have in my ‘68. Mine doesn’t work, but there is that multiplexer device behind the rear seat. You won’t see it until you remove the seat back.
I don’t have anything for you.... sorry!
but based on the little bit of upholstery I can see in your pic, can you share more pics of your car. No particular reason for asking, I just like the slab side years...