2007 Sedan Radio Replacement

[Kayen]

Hi, new here...
I've done a number of searches on the topic, and before I dive in on the project I have a few questions.
I just want to replace with a new deck with aux.

So i'm picking up a DEH-2000 for $20 off local classifieds later today.

So I was going to use a Scosche Kit off ebay which includes:
Scosche TA2077B 2007 -2010 Toyota Yaris Radio Installation Dash Kit
TA02B Radio Wiring Harness

Comes to about $30 shipped.

So what I want to know is, will this work without any additional parts?
As in I pull out the stock radio put the new radio into the Dash Kit, and plug in the harness into the car wiring and into the back of the new radio and put it back in and be done with it....
Or would I require to order more parts or do wire splicing...