Be careful what you do with any factory wiring in your truck! My brother has a 2004 and added marker lights to the running boards below cab and next thing you know were taking the fuse panel out , tracing wires, continuity tests, and after about a day and a half in the shop, we finally found a burnt wire in behind the light switch. Apparently, the wire harness is not designed to handle anything other than factory loads or draws. The gauge of the wires on the newer vehicles are very delicate. I wish you the best but just don't want you to go through the same thing we had to go through. Nothing like hanging upside down under dash for hours at a time. LOL. You kinda understand where I'm coming from? Anyway, God bless and the best of luck, Tom