2005 to 2009+ Radio Swap Question

Hi, I have a 2005 Tacoma with a single disc non-JBL HU. Connected to that is a GTA carkits adapter for my iPod and Aux. I am going to swap it out with a 2009+ factory HU that is satellite radio ready. I will be going with the Sirius directed approach so that I don't have the extra screen in my truck. But where it plugs into is the same input where my iPod connection would go. The HU I'm getting has the disc-aux button so I know it is aux capable. I do see on the back of the stereo that there is an additional input directly above the antenna that isn't on my original HU. So my main question is, how do I add an aux input to this HU without having to take the radio apart and go through the solder procedure? Thanks