A:AnswerCheck to make sure the orange/white wire is connected right to the harness. I know this was an issue with my install. You can also troubleshoot on Sony's website https://www.sony.com/electronics/support/articles/00032323
A:AnswerYou will probably need a wiring harness adapter. They are around $15 if they do the install. If you are okay doing your own splicing, you can skip it but the adapter makes it go faster.