Speedhut Speedbox w/Thread-on Cable M12x1 (A-375)

The Speedhut Speedbox w/Thread-on Cable M12x1 (A-375) offers a convenient and reliable solution for integrating modern speed signals with traditional cable-driven mechanical speedometers. This innovative device bridges the gap between contemporary vehicle speed sensing technologies and classic gauge systems, ensuring accurate speedometer readings in a variety of applications. Whether you are working on a custom build, restoring a vintage vehicle, or need a versatile speedometer solution, the Speedhut Speedbox provides a straightforward and effective way to achieve seamless integration.

KEY FEATURES AND BENEFITS:

• Versatile Signal Compatibility: The Speedbox is engineered to work with both GPS (Global Positioning System) signals and Vehicle Speed Sensor (VSS) inputs. This dual compatibility provides flexibility in various installation scenarios and ensures accurate speed readings regardless of the available signal source.
• Simple Installation: Designed with ease of use in mind, the Speedbox features a plug-and-play setup. It requires only a basic 12-volt power connection and a ground connection, minimizing installation complexity and saving valuable time.
• Precise Calibration: The device allows for a broad calibration range, adjustable from 170 to 1650 turns per mile. This adjustability ensures compatibility with a wide array of mechanical speedometers. The default setting is 1000 turns per mile, which is standard for most US-market speedometers.
• Complete Output Solution: The Speedbox is equipped with a standard 7/8"-18 drive output thread and a 0.112" drive output square, making it compatible with most mechanical speedometer cables. It also includes a 3-foot long speedometer cable with an M12x1 thread-on connection for direct attachment to the Speedbox unit.
• Automatic GPS Calibration: The inclusion of a GPS antenna enables automatic calibration of the speedometer based on satellite signals. This eliminates the need for manual calculations or reliance on external calibration services, ensuring ongoing accuracy.
• Flexible Mounting Options: The compact design of the Speedbox allows for versatile mounting, whether in the vehicle's dashboard or within the engine compartment, providing flexibility based on installation requirements and available space.

SPECIFICATIONS:

• Drive Output Thread: 7/8"-18
• Drive Output Square: 0.112"
• Calibration Range: 170 - 1650 turns per mile
• Default Calibration: 1000 turns per mile (for US speedometers)
• Included:
  • Speedhut SPEEDBOX unit
  • 3ft M12x1 thread-on speedometer cable
  • GPS antenna

HOW TO USE:

• Mount the Speedbox: Choose a suitable mounting location in the dashboard or engine compartment, ensuring it is secure and protected from extreme conditions.
• Connect Power and Ground: Connect the Speedbox to a 12-volt power source and a reliable ground connection.
• Connect Speedometer Cable: Attach the included 3ft M12x1 thread-on speedometer cable to the output of the Speedbox. Connect the other end of the cable to your mechanical speedometer.
• Connect GPS Antenna (Optional): If using GPS for speed signal, connect the provided GPS antenna to the designated port on the Speedbox. Position the antenna in a location with a clear view of the sky.
• Connect VSS Signal (Optional): If using a Vehicle Speed Sensor (VSS) signal, connect the VSS output from your transmission or ECU to the designated input on the Speedbox. Refer to the Speedbox wiring diagram for correct connections.
• Calibrate (if necessary): For non-GPS applications or if the speedometer reading is inaccurate, follow the calibration instructions provided in the Speedbox manual to set the correct turns per mile for your speedometer.

BENEFITS OF USING THE SPEEDHUT SPEEDBOX W/THREAD-ON CABLE M12X1 (A-375):

• Utilizing the Speedhut Speedbox offers several key advantages. It allows for the seamless integration of modern speed sensing technology with traditional mechanical speedometers, eliminating compatibility issues that can arise during vehicle modifications or restorations.
• The dual GPS and VSS compatibility provides a reliable speed signal source in various scenarios.
• The straightforward plug-and-play installation saves time and effort.
• Automatic GPS calibration ensures ongoing accuracy without manual intervention.
• The inclusion of the necessary cable and GPS antenna makes it a comprehensive solution.
• Overall, the Speedbox provides a dependable and user-friendly way to ensure accurate speedometer readings in vehicles with mechanical gauges.

FEATURES:

• Dual Input Capability: Accepts signals from both GPS satellites and Vehicle Speed Sensors.
• Wide Calibration Range: Adaptable to a broad spectrum of mechanical speedometer specifications.
• Integrated Cable Solution: Comes with a 3-foot long M12x1 thread-on speedometer cable.
• Automatic Speed Adjustment: GPS functionality enables self-calibration based on location.
• Simplified Wiring: Requires only basic power and ground connections for operation.
• Compact Form Factor: Allows for flexible mounting in different vehicle locations.
• Eliminates External Calibration Needs: Onboard calibration eliminates reliance on external services or manual calculations.