Originally Posted by E46CT

I like my method. see my blog. basically all-in-one box with a simple one-click plug for when you need to remove it. low profile. i'm the pioneer of the wiring instructions as i was the first, and the only, coast to coast to pull the official wiring and share it with the forum as the ES was relatively new and i couldn't find any subwoofer wiring pin outs for non ML. I paid for the subscription and had to learn how to read the wiring pin outs. turns out it was easy in the end. one wire one tap to the amp under the seat.