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No good... I got the USB cable today, wired it together, put it to the car and... nada. At one point I got nonsense data (random things like C00 when I sent "12"), but now I get nothing except when I turn the car off. When the car turns off, I get 00.
I've messed around with everything and I just can't get it working. I give up for now.
Is there some piece I'm missing? All I need is the USB-TTL connector and the Metra connector right?
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