i just purchased a alpine IVA-D310 for $300
//content.invisioncic.com/y282845/emoticons/yumyum.gif.0556df42231b304b9c995aefd13928a8.gif (got it from my cousin) and im lookin at the harness and i see a bunch of blue wires are these for the speaker wires??? i see everything else that i need but all these blue wires threw me off its about 4 or 5 blue wires. thanks