The Bowler Performance All-in-One harness solution for the Tremec T-56 Magnum transmission comes equipped with all the connections pre-wired into one harness for a simple installation and ease of use. The small epoxy sealed controller is mounted to the VSS output using the existing bolt and once the unit is powered up you will be able to connect via Bluetooth to your Apple or Android smartphone using (Bowler Transmissions) free app. The app will give you the ability to customize the input and output settings for each feature to ensure proper operation in your vehicle. This harness eliminates the need for any additional equipment to operate the reverse lock out or generate the correct speedometer signals coming from your Tremec T-56 Magnum. {attach}{specs}.