I am getting a lot of white noise in my system, and I think it is the CD player picking it up. At volume 0 there is no noise, but one click up instant white noise. I am curious if it could be the wire harness, there are two black wires, and two yellow wires, so I soldered the pairs together. The package made no mention of the pairs, so I am curious if something is not right... Here is a pic: