Description
The Speedhut 3-3/8″ Volts / Fuel Level Dual Gauge (R3-DG2-LEG) combines two essential readings into one convenient and stylish instrument. This dual gauge allows you to simultaneously monitor your vehicle’s voltage and fuel level, providing critical information at a glance. Its classic design ensures it complements a wide range of dashboards, offering both functionality and aesthetics.
KEY FEATURES AND BENEFITS:
- Dual functionality: Displays both voltage (6-18 volts) and fuel level (Empty to Full).
- Dashboard efficiency: Saves space by combining two gauges into one.
- Warning light: Alerts you to low voltage or low fuel conditions for timely action.
- Ease of installation: Includes wiring harnesses and mounting ring for a straightforward setup.
SPECIFICATIONS:
- Gauge Type: Dual Gauge
- Combo Options: Voltage and Fuel Level
- Voltage Range: 6-18 volts
- Fuel Level Range: E-F
- Size: 3 3/8 inch
- Hole Size: 3.375 inches (86mm)
- Warning Light: Yes
- Gauge Mounting Ring: Included
- Ships With: Wiring Harness (2-Wire Cable), 3 ft Power & Lighting Harness
HOW TO USE:
- Prepare the Mounting Location: Ensure you have a 3.375-inch (86mm) diameter opening on your dashboard for gauge installation.
- Connect the Wiring Harness (2-Wire Cable): Attach this harness to the appropriate terminals on the back of the gauge. Refer to the specific wiring diagram provided with the product for correct connections.
- Connect the Power & Lighting Harness: Connect the 3 ft Power & Lighting Harness to the designated terminals on the gauge. This harness will provide power to the gauge’s electronics and illumination (if applicable).
- Mount the Gauge: Insert the gauge into the prepared opening and secure it using the included gauge mounting ring from the back of the dashboard. Tighten the ring to ensure a snug fit.
- Wire to Power and Sensors: Connect the power and lighting harness to a suitable power source in your vehicle. Connect the 2-wire cable to your vehicle’s voltage and fuel level sending units according to the vehicle’s wiring diagram and the gauge’s instructions.
- Test the Gauge: Once all connections are made, start your vehicle and observe the gauge readings to ensure they are functioning correctly. Check if the warning light illuminates under low voltage or fuel conditions (if applicable).
BENEFITS OF USING THE SPEEDHUT 3-3/8″ VOLTS / FUEL LEVEL DUAL GAUGE (R3-DG2-LEG):
- Combines two vital readings into a single gauge, saving dashboard space.
- Provides immediate, real-time data on voltage and fuel level.
- Promotes preventive maintenance and reduces the risk of breakdowns.
- Includes a warning light to alert drivers of potential issues promptly.
- Classic styling ensures compatibility with various dashboard aesthetics.
FEATURES:
- Simultaneous display of voltage and fuel levels in one unit.
- Clear and easy-to-read classic gauge face.
- Integrated warning indicator for low voltage or fuel.
- Designed to fit a standard 3.375-inch (86mm) dashboard opening.
- Comes with necessary wiring harnesses for easier installation.
- Includes a mounting ring for secure attachment to the dashboard.
- Provides a voltage monitoring range of 6 to 18 volts.
- Indicates fuel level from Empty to Full.






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