This is a 100% complete Rostra cruise control kit for the 2003-2006 Dodge Ram truck with gas engine. Kit comes with Vehicle specific wiring information as well as universal installation instructions. 3 year warranty on parts only. Works with automatic transmission models only . Vehicle must have throttle cable. Some 5.7 liter Hemi engines are electronic throttle, this kit will not work with those models. Please call with any questions regarding this kit.