2002

Hi everyone, Thanks in advance if you're here looking at this as I am new to the forum. I am probably 3/10 knowledgeable on car audio set ups, but recently stumbled upon some weird stuff in my first car I bought/newly found project car. I'll put the "short run down" first and explain details...

So I have a 2002 Nissan Altima sl, which includes the stock bose system. I'm fairly new with car audio, but I've read up and researched a good deal. I just have absolutely no idea what to do to get everything to work. Everything other than the input wires to my new amp is set up and ready to...