I took a look and the plug is obvious
Now my question is, once you unplug it, do you need to do something w/ the male and female connectors so crap doesn't get in them? I'm not even sure I like it more yet. I'll drive around for a couple days and I might plug it back in. Pics of the plug below...
IMG_9997 by
mikew2069, on Flickr
IMG_9995 by
mikew2069, on Flickr