hi to all im new to this site im looking to see if any body else has put in the rss in thier truck i have a 2006 f150 supercrew larait that i bought brand new it did not have the rss system in it . i got my hands on a totaled truck and thought i pulled everything out of it for this system to work i installed it and it dont work i put in the rear bumper wiring harness and dash button nothing happens did i miss some parts. any help would be great thank you to all