http://www.amazon.com/Axxess-AIP-AV5.../dp/B003FP5C8C
Use that and plug directly into the amplifier and see if there's any noise.
Success?....no noise? Then move up the cable next to the head unit. Amazon.com: female to female rca coupler: Electronics
Use the RCA coupler to plug your iPod into the RCA cable leading to the amp. Success?....no noise? Then the problem is the Head Unit. DO NOT EVER PLUG/UNPLUG A HOT RCA CABLE!!!!! Pioneers will blow an internal fuse. ONLY PLUG/UNPLUG RCA CABLES WHEN THE UNIT IS OFF!!!!!!
