Looking to get tunes back! Bluetooth or wired or whatever.

Frnknsteen said
Another option might be to find the smallest amplifier you can find (Walmart or Best Buy). Get an adapter cable to go from headphone jack to Mono-in to amplifier. Run a speaker wire from output of amp to your dash speaker.

I don't know what size your dash speaker is, but on my '71 C-10, it had a 4x10 mono speaker in the dash. I found an option that had two 3.5" speakers mounted into a plate that was cut to the standard 4x10 speaker shape. If you did that, you could get a simple Headphone to RCA adapter cable to feed the signal to the small amp, then run right and left channels to the new twin-speakered dash speaker giving you stereo sound. Bet you could get all of that for around $100.

When I did the speakers for my 66 I made a bracket for the front opening - a single 6" x 8" hole I believe in the dash.
The bracket was bent in the middle a few degrees up so when I mounted the two smaller speakers they were not facing directly up but had a few degrees apart left and right.
It allowed for a definite left and right channel. The speakers were Kenwood like 4.5" x 4.5" and really helped a lot. I mounted a 6"x9" pair in the back and it ran all off an hidden amp powered by a small plug into my phone.
I had radio, music stored off my phone and service if I cared to run data. Very little investment but time and research.
Like $200 bucks but it worked really well.