I just scored a few free parts out of 73 145. One thing I got was a radio head unit that appears to be original but I'm not sure. It's model number is AR-5310CV and is made by Mitsubishi Electric. Is this original?
I've figured out the speaker wires and the power wire (blue)but there is no obvious Earth. There is a switch on the top left of the body the allows the polarity to be changed between negative earth and positive earth. How does this unit get an earth? I'd like to see if I can get it working.
Any help appreciated.
Brad
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