I have purchased a line converter and am going to try that. But Like yours, it also pops even when switching between AM and FM. So strange!

Hi guys- I have an aftermarket Kenwood stereo I bought from Crutchfield. When I first installed it with the provided wiring harness there was a white noise at every volume except zero. Research brought me to the conclusion that this may have been from the Moon and Tunes amp. To remedy this I swapped...