This radio functions as it should! Loud clear sound output. As you can see, the push buttons work as well.
NOS 73 to 77 Corvette and other GM vehicles VIR Recharge kit.
NOS 73 to 77 Corvette and other GM vehicles VIR ( valve in receiver ) recharge kit ( desiccant ) GM # 6598832 / 2724225. Found in Gr. 9.195