Plug and play install.

Installed this unit & T-harness in this vehicle. Although I have done many T-harness installs, this install was by far the quickest one I have ever done. Programming was also a breeze, without a hitch. I've been installing for over 30 years & have been using firstech products exclusively for the past 10 years. Ease of use & ability to upgrade & make programming changes are the reasons I use theses products.