Description
The Speedhut 3-3/8″ Metric Water Temp / Fuel Level Dual Gauge (R3-DG8-LEG) offers a practical solution for monitoring two critical aspects of your vehicle’s performance: engine coolant temperature and fuel tank level. This single, compact gauge provides clear and accurate readings for both, helping you stay informed and prevent potential issues. With its metric temperature scale and intuitive fuel level display, this gauge is designed for ease of use and integration into a variety of vehicle applications. It comes complete with essential components to facilitate installation.
KEY FEATURES AND BENEFITS:
- Dual functionality: Combines water temperature and fuel level readings in one unit.
- Metric temperature range: Displays water temperature from 50°C to 125°C.
- Fuel level range: Displays from Empty (E) to Full (F).
- Warning light: Built-in light alerts for high temperature conditions.
- Standard size: 3 3/8 inch gauge with 85mm (3.33 inch) mounting hole compatibility.
- Complete kit: Includes Speedhut temperature sensor and all necessary wiring harnesses.
- Easy installation: Designed for straightforward connection to power, lighting, and sensors.
SPECIFICATIONS:
- Gauge Type: Dual Gauge
- Combo Options: Water Temperature and Fuel Level
- Water Temperature Range: 50-125 °C
- Fuel Level Range: E-F
- Size: 3 3/8 inch
- Hole Size: 3.33 inches (85mm)
- Warning Light: Yes
- Ships With:
- Speedhut Temperature Sensor
- 3 ft Power & Lighting Harness – for LED Lit Gauges and Clocks
- Temperature Gauge Wiring Harness (2-Wire Cable)
- Wiring Harness (2-Wire Cable)
HOW TO USE:
- Mount the Gauge: Secure the 3-3/8″ dual gauge into the desired location on your dashboard or gauge pod using the appropriate mounting hardware.
- Connect Power and Lighting: Attach the 3 ft Power & Lighting Harness to the gauge, ensuring proper connection to your vehicle’s power and lighting circuits.
- Install the Temperature Sensor: Mount the included Speedhut Temperature Sensor in the appropriate location on your engine, ensuring it is in contact with the coolant.
- Wire the Temperature Sensor: Connect the Speedhut Temperature Sensor to the gauge using the provided Temperature Gauge Wiring Harness (2-Wire Cable).
- Wire the Fuel Level Sender: Connect the existing fuel level sender unit in your vehicle to the gauge using the provided Wiring Harness (2-Wire Cable). Ensure correct polarity and connections as per your vehicle’s wiring diagram.
- Test Functionality: Once all connections are made, start your vehicle and observe the gauge readings for both water temperature and fuel level to ensure they are functioning correctly. The warning light should also be tested for proper operation under high-temperature conditions.
BENEFITS OF USING THE SPEEDHUT 3-3/8″ METRIC WATER TEMP / FUEL LEVEL DUAL GAUGE (R3-DG8-LEG):
- Combines monitoring of engine temperature and fuel level into one convenient unit.
- Prevents dashboard clutter by replacing two gauges with a single device.
- Provides accurate Celsius temperature readings, ideal for international users.
- Includes a warning light for immediate alerts during critical engine conditions.
- Simplifies installation with dedicated wiring harnesses and a compatible temperature sensor.
- Improves vehicle awareness, helping avoid overheating or running out of fuel.
FEATURES:
- Integrated Monitoring: Combines water temperature and fuel level readings in a single display.
- Clear Fuel Indication: Displays fuel level from Empty (E) to Full (F).
- Included Temperature Probe: Comes with a dedicated Speedhut temperature sensing unit.
- Dedicated Wiring: Includes specific harnesses for power, illumination, and both temperature and fuel level signals.
- Visual Alert System: Features a built-in warning light for critical temperature situations.





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