Hello everyone, As a small (not so small anymore) DIY project, I attempted to replace the stereo unit in my 2014 model. In doing so, I cut open one of the plugs on a cable to manually link some of the wires to the new stereo unit. All in all, the stereo worked great at first, but in few days...

I'm trying to install a sub in my 2013 malibu, but I can't seem to find the radio wiring diagram for the head unit, so I don't know which wires go to the speakers for my high level input on my amp. Is there a diagram that shows what the pinouts are on the radio harness rather than giving simply...