I did not need to purchase any harness or radio wire but I did without knowing that this came with everything already prepped. It was all mostly plug and play. The steering wheel controls work which you'll have to setup thru the...
Lots of wires at first, but select what are needed (about 10) and snip away the rest. Then its just finding the right connector wires to use and tap into. Make sure connections are good! Have to take away the under-dash panels and...