The hurst line lock wiring diagram is the key to successfully installing and using a line lock system, which is a popular modification for drag racers and performance enthusiasts. A line lock allows you to temporarily lock the front wheels of your vehicle while keeping the rear wheels free. This is primarily used to perform burnouts to warm up the tires for increased traction during launch. The effectiveness and safety of a line lock system depend heavily on the accuracy of its wiring. Understanding the wiring diagram is, therefore, critical for a successful installation and optimal performance.