Thank you guys for all your input.
I'm going to have to agree with Xploder that my 600watt's should not dim my system especially since I've done the big 3 and especially since it does dim at volume levels 10 on the Z2(depending on the gain settings), all of you guys know that that isn't loud at all. Its just very weird.
I was reading though on F150 forums that other people have had this problem before and they were able to fix it by using optima yellow tops. Maybe I can give that a try.
If my interior/dash lights even dimmed while the vehicle wasn't running(for this to happen th