I want to keep my original AM/FM push button radio in my 85 GT convertible. Will satelite systems work with this old radio?

 

yes, most will work with any fm radio.

Yer darn right YOU don't wan't to be the one to take that radio out...... I have seen one done, and done one myself and between the one piece dash and the common ground wiring it is not a fun afternoon.

 

Yeah usually you can find a unit that is FM modulated and will run off your cigarette lighter power. Granted it's a wiring mess and doesn't exactly look pretty but it works.

Oh yeah, SIRIUS > XM

 

all of them will.