Simple Installation: For vehicles with electronic control (ETC) systems, or drive by wire, this device plugs into the OE connector located behind the accelerator pedal. It is a simple installation, requiring no cutting of any wires. Three Position Settings: Off (no light): Device is not active and vehicle is stock. Sport (Green): Device is active, throttle response and acceleration are improved over the stock setting. Race (Red): Device is active, throttle response and acceleration are improved over the sport setting. Better Drivability: In addition to the increased throttle response and the improved acceleration, there is also a noticeable difference in the transmission shifts (for vehicles equipped with Automatic transmissions). This product fits the following vehicles: 2014-2015 Jeep Wrangler V6 w/ A/T, 2014-2015 Jeep Grand Cherokee (WK2) V6/V8 w/ A/T.