Herein is the wonder bar circuit diagram for the 1960 Chevrolet. This radio is a superheterodyne, signal seeking, automobile radio designed specially for the 1960 Chevrolet passenger cars. The radio contains five low voltage tubes and one hi power transistor. Several components shown in the schematic are including; audio output transistor, intermediate frequency amplifier, radio frequency amplifier, oscillator modulator, etc. Please read and study the schematic before performing any wiring work regarding your wonder bar radio circuit system. Click on image to view it larger in a new tab.