Description
Experience precise vehicle monitoring with the Speedhut 4-1/2″ 120mph GPS Speedometer/Fuel Level Gauge (R45-DS1-LEG). This innovative dual-function gauge seamlessly integrates a highly accurate GPS speedometer with a reliable fuel level indicator into a single, easy-to-install unit. Say goodbye to the complexities of traditional speed sensors and enjoy real-time speed readings powered by global positioning system technology. This gauge offers a clean and efficient solution for displaying essential vehicle information.
KEY FEATURES AND BENEFITS:
- Combines a 120 mph GPS speedometer and a fuel level gauge in a single 4-1/2″ (108mm) unit, saving space and simplifying your dashboard.
- Utilizes GPS for accurate speed readings without the need for external speed sensors or calibration for tire size or gear ratios. Enjoy precise speed data right from power-up.
- Offers worldwide operation thanks to free GPS technology, requiring no subscriptions or additional fees.
- Provides a programmable fuel level gauge compatible with most fuel level senders (under 300 ohms), allowing you to monitor your fuel with confidence.
- Features a straightforward installation process requiring only a 12V power connection and placement of the included waterproof GPS antenna.
- Ensures accurate and smooth pointer movement in all driving conditions thanks to its internal microprocessor and high-torque stepper motor.
- Boasts a robust design with a solid billet aluminum bezel and a weather-resistant construction for long-lasting performance.
- Backed by a Lifetime Warranty on the gauge electronics, providing peace of mind.
- Proudly made in America, reflecting quality craftsmanship and attention to detail.
SPECIFICATIONS:
- Gauge Type: Dual GPS Speedometer and Fuel Level
- Speedometer Range: 0-120 MPH
- Fuel Level Range: Empty (E) – Full (F)
- Size: 4 1/2 inch (4.5″)
- Mounting Hole Size: 4.250 inches (108mm)
- Units: Standard (MPH)
- Included:
- GPS Antenna with 9.8 ft long cable and male SMA connector
- 3 ft Power & Lighting Harness
- Wiring Harness (2-Wire Cable)
HOW TO USE:
- Mount the Gauge: Secure the 4-1/2″ gauge in a suitable 4.250″ (108mm) opening in your dashboard using the spin-lock ring.
- Connect Power: Connect the 3 ft Power & Lighting Harness to a 12V power source in your vehicle. Ensure proper grounding.
- Install GPS Antenna: Mount the waterproof GPS antenna in a location with a clear view of the sky. Route the 9.8 ft cable to the back of the gauge and connect the male SMA connector.
- Connect Fuel Level Sender: Connect the 2-wire cable to your vehicle’s fuel level sender unit. Refer to your vehicle’s wiring diagram for the correct connections.
- Initial Power-Up: Turn on your vehicle’s ignition. The speedometer should acquire a GPS signal within a few seconds and display your speed.
- Fuel Level Calibration (if needed): The fuel level gauge may require calibration to accurately match your specific fuel level sender. Refer to the Speedhut instructions for the calibration procedure. This typically involves setting the empty and full points on the gauge to correspond with your tank’s readings.
BENEFITS OF USING THE SPEEDHUT 4-1/2″ 120MPH GPS SPEEDOMETER/FUEL LEVEL GAUGE (R45-DS1-LEG):
- Enhanced Accuracy: Enjoy precise speed readings thanks to advanced GPS technology, eliminating inaccuracies associated with mechanical speedometers and wheel size changes.
- Simplified Installation: Avoid the complexities of installing traditional speed sensors. The GPS antenna requires only a clear view of the sky and a power connection.
- Space Saving: Combine two essential gauges into one compact 4-1/2″ unit, freeing up valuable dashboard space.
- Global Compatibility: The GPS speedometer works anywhere in the world without the need for subscriptions or additional hardware.
- Reliable Fuel Monitoring: Keep a close eye on your fuel level with a programmable gauge that can be calibrated to your vehicle’s specific sender.
- Durable and Long-Lasting: The robust construction and weather-resistant design ensure reliable performance in various conditions.
- Peace of Mind: The Lifetime Warranty on the gauge electronics provides assurance of its quality and dependability.
FEATURES:
- Real-time speed updates directly from satellite data.
- Fuel level display compatible with a wide range of sender resistances (under 300 ohms).
- No need to input tire diameter or gear ratios for speedometer accuracy.
- Compact 4-1/2″ form factor for versatile mounting options.
- Easy-to-read display for both speed and fuel level.
- Robust wiring harnesses included for straightforward electrical connections.
- Sleek billet aluminum bezel adds a touch of style to your dashboard.
- Designed and manufactured in the USA, ensuring high-quality components and assembly.






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