It turns out my battery's time had come, someone ran a diagnostic on my set up and there are no power drains anywhere, so that's a load off my mind.
I noticed a blue/white wire that appeared to be for the Amplifier. I assumed it was only for aftermarket Amps so I didn't connect it. I just went out and connected it to the blue/white wire in the wire harness but it did not appear to work. I still get no AM reception to speak of and shoddy FM reception. I do also have a black wire in the harness that's not connected to anything. I assumed I had to plug the blue wire into something consid