Hey all, I have installed an aftermarket radio in my wolfsburg 2001 jetta. Now, I have read that some have powered ant. some don't. My am reception is null and void, and fm reception is ok, but could be better. This is my question, does the power amp for the antenna actually get fed
12v through the antenna's center conductor wire? I have no other wires coming off the ant. wire, and there is no other wires from the factory loom that is open (aside from the set that goes to the trunk for the cd changer). If it does take 12v from the ant. wire itself, do I need to isolate it somehow with a diode or something?TIA.