I've seen that, it's for the factory phone. So do I just run a wire from there to the back of the lighter socket?
Just hard wire your radar detector right to the phone kit, and leave your lighter socket alone. See this handy step by step guide (V1 centric, but the basic idea applies to any).
Just hard wire your radar detector right to the phone kit, and leave your lighter socket alone. See this handy step by step guide (V1 centric, but the basic idea applies to any).