Description
The Speedhut 3-3/8″ Volts / Fuel Level Dual Gauge (R3-DG2-REV) offers a convenient and space-saving solution for monitoring two critical vehicle systems in a single, easy-to-read instrument. This dual gauge simultaneously displays your vehicle’s voltage and fuel level, providing essential information at a glance. Designed with precision and reliability in mind, it’s a valuable addition to any dashboard.
KEY FEATURES AND BENEFITS:
- Dual Functionality: Combines a voltmeter and fuel level gauge into one compact unit.
- Voltage Monitoring: Displays voltage from 6 to 18 volts to track battery and charging system performance.
- Fuel Level Tracking: Displays range from Empty to Full, helping you avoid running out of fuel.
- Warning Light: Built-in indicator provides alerts for critical conditions.
- Easy Installation: Comes with a mounting ring and pre-terminated harnesses for simple setup.
- LED Illumination: Includes power and lighting harness for visibility in low light.
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 (85.7 mm)
- Hole Size: 3.375 inches (86 mm)
- Warning Light: Yes
- Gauge Mounting Ring: Included
- Ships With:
- Wiring Harness (2-Wire Cable)
- 3 ft Power & Lighting Harness – for LED Lit Gauges and Clocks
HOW TO USE:
- Mount the Gauge: Locate a suitable 3.375″ (86mm) opening in the dashboard. Insert the gauge and secure it with the included mounting ring.
- Connect the Wiring Harness (2-Wire Cable): Attach to the terminals on the back of the gauge and connect to the voltage and fuel level senders.
- Connect the Power & Lighting Harness: Wire to a 12V power source, ground, and optionally to your vehicle’s lighting system for illumination.
- Connect the Warning Light (if applicable): Connect to the desired monitoring system as per the Speedhut instructions.
- Test the Gauge: Turn on the ignition. Check that the gauge activates, readings are accurate, and the warning light functions properly.
BENEFITS OF USING THE SPEEDHUT 3-3/8″ VOLTS / FUEL LEVEL DUAL GAUGE (R3-DG2-REV):
- Saves Dashboard Space: Combines two gauges in one unit to reduce clutter.
- Early Fault Detection: Monitors voltage to prevent electrical failures and battery issues.
- Reliable Fuel Tracking: Helps avoid the inconvenience and risk of running out of fuel.
- Immediate Alerts: Integrated warning light notifies you of urgent issues quickly.
- User-Friendly Installation: Comes with mounting ring and harnesses for straightforward setup.
FEATURES:
- Integrated voltage and fuel level monitoring in one unit.
- Clear 3-3/8″ display for easy readability.
- Built-in warning light for quick visual alerts.
- Streamlined design saves dashboard space.
- Includes wiring for power, lighting, and signal connections.
- Mounting ring ensures secure and stable installation.





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