Here is what is left once everything is removed. On either side of the steering column is the original stock wire harness. At this point, following the instructions helps tremendously. Before we used the wire clippers, reading the directions, and following the supplied diagrams helped tremendously. American Auto Wire has already done the research for you, and provided all the diagrams explaining each colored wire and its function. We closely followed the directions, then snipped and spliced one wire at a time, putting them in the proper location of the new plastic harness provided. Admittedly, this part of the job took quite a while. It was intimidating to start snipping the old stock wires, because after the first few snips with the wire cutters, there is no going back. Also, having a great crimping/stripping tool is a must for this job. Spend the $20 to get one; it will save a lot of time. Once everything is said and done, it's now time for the plug-and-play aspect of this install.