Whats the best way to test these radios and 8 tracks?

I have a AM 8 track out of my cuda vert that was never hooked up. I am thinking of selling it but need to test it first and see what it will do/ wont do. It has two leads, one with two wires, orange and red, which I am guessing is the power and the second one, which I am guessing is the speakers??

any help is appreciated.???

Dave

second

red is power , orange is the light for the dial , the case is the ground for the power , the other plug is the speakers.

i use a 110 to 12V converter to test radios,an antenna,speaker with wires,hook it up and go,its easy

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i use a 110 to 12V converter to test radios,an antenna,speaker with wires,hook it up and go,its easy

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I do the same to test radios....used to use a 12V battery before I got my power supply.