[DakotaqueenV8]

Ok you guys know I have a QC. I just bought a radio with 3 preamp outputs. now if I am hooking up an amp and subwoofer do i need to also wire the factory speakers to the amp or not. I was thinking no cuz they should already be wired to the headunit itself. and also if i install a dvd player in the center console which wire would be best to connect to power supply wise. I was thinking just tap into the cig. outlet. and if i did would it have a constant power. i was thinking no because of the fact if you plug a cell phone charger in it doesnt run while the truck is off. I am trying to make sure i hook everything up right and not kill the batt.