Upgrade your Mechanically-Driven Speedometer to GPS

JEGS Speedometer Converter Box with built-in GPS allows a factory mechanical speedometer to be used with a late model, electronically-controlled transmission. Each unit is designed to operate a cable-driven mechanical speedometer using an electric speed signal from the built-in GPS. GPS capability built-in makes for a fast and simple installation. Run your factory speedometer cable, or take the guesswork out completely and purchase one of our JEGS speedometer cables to get you up and running in no time!