So I had a buddy tell me he could put this super nice double din stereo in my 2019 Chevy spark. He managed to mess up two of the plugs/connectors on the back of the module (not the screen), They are labeled A and B. I managed to figure out plug B I think but not a clue about A. I don't know if anyone could take a picture of there and send it to me or find a wiring diagram. I plan on re making the connector but don't know what wire goes where. I'm desperate. I've called the stereo store and dealership and looked everything I could think of up and found nothing. My car is under warranty still an