A system and method for limiting a speed of a vehicle is disclosed. The vehicle includes an ECU in communication with and configured to control the engine. The ECU has a plurality of pins, a jumper plug connected to the plurality of pins, and a cap selected from a group of caps, each of which is configured to create a different limit circuit when installed on the jumper plug. The ECU is configured to limit the speed of the vehicle to a predetermined speed when the limit circuit is detected by the ECU based on the detected cap. The ECU, jumper plug, and cap are covered by a cover secured to the frame of the vehicle by fasteners that require a tool to remove.