Ok. So. I installed an aftermarket touchscreen head unit. I purchased the fancy harness to make install easy. The problem is, when I turn off the Nitro, and lock the doors the unit loses power and wont come back on until I unplug/replug the harness from the unit. I've installed plenty of stereos before and this is a first for me. I'm lost. Does anyone know what could be causing this, thinking maybe it's a nitro thing?