Dirty power going to my amp?
so I upgrade my sound system about 2 yrs ago, a cheap boss headunit then subs and I never had a problem. so 2 months aho I decided to overhaul the setup and install better components. I install a mtx amp with my cheap headunit and syill no problems. I then installed a new kenwood k255u headunit and the sound improved x100 and I didn't have any problems until last month. when ever any lights are turned on inside the wj, I hear a sound according to the light. turn on the dome lights, a little bump in the subs. turn off, same thing. when I close the door when the jeep is on, it sounds like a time wrap from a cartoon as the lights dim. the ground for the amp is perfect, the rca cable is clear of the power wire for the amp and all the connections for the amp are fine, I'm outa ideas so any insight would be greatly appreciated.
2004 WJ Special Edition 4.0L - Totaled
2004 WJ Laredo 4.7L - 4in lift 31's