Description
The Speedhut 2-1/16" 6-18V Volt Gauge w/ Warning (R2-V1-REV) is engineered to deliver accurate and reliable monitoring of your vehicle’s electrical system, specifically within a voltage range of 6 to 18 volts. Featuring an integrated warning light, this gauge provides immediate visual alerts if your voltage drops below or exceeds safe operating levels. Its compact, 2 1/16 inch design allows for seamless installation into most dashboards. With direct voltage reading from a power wire and a bundled power and lighting harness, setup is both quick and straightforward.
KEY FEATURES AND BENEFITS:
- Accurate Voltage Monitoring: Displays real-time electrical system voltage between 6 and 18 volts.
- Integrated Warning Light: Alerts the driver when voltage levels fall below or exceed safe thresholds.
- Compact Size: Standard 2 1/16 inch (52mm) design for easy dashboard integration.
- Direct Voltage Reading: Connects directly to a power wire for immediate readings.
- Simple Installation: Includes a 3 ft power and lighting harness for quick setup.
SPECIFICATIONS:
- Gauge Type: Voltage Gauge
- Voltage Signal Type: Voltage from Power Wire
- Range: 6-18 volts
- Size: 2 1/16 inch (52mm)
- Hole Size: 2.05 inch (52mm)
- Warning Light: Yes
- Ships With: 3 ft Power & Lighting Harness – for LED Lit Gauges and Clocks
HOW TO USE:
- Mount the Gauge: Find a 2.05 inch (52mm) diameter hole on your dashboard or panel and secure the gauge using the included mounting spin ring.
- Connect the Power Harness: Attach the 3 ft power and lighting harness to a switched power source, ground, and lighting circuit if desired. Ensure correct polarity.
- Set the Warning Light (Optional):
- With the gauge unpowered, press and hold the button on the back.
- Apply power while continuing to hold the button.
- Release the button when the warning light turns on.
- The pointer moves clockwise—press the button at your desired low voltage setpoint.
- The pointer then moves counter-clockwise—press the button again at your desired high voltage setpoint.
- To disable a threshold, press the button at the pointer’s minimum or maximum position.
- Monitor Voltage: Once connected, the gauge will display the vehicle’s current voltage. Monitor regularly to ensure levels remain within the normal range. The warning LED will activate if thresholds are crossed.
BENEFITS OF USING THE SPEEDHUT 2-1/16" 6-18V VOLT GAUGE W/ WARNING (R2-V1-REV):
- Offers immediate insight into the health of your electrical system.
- Helps prevent major electrical failures by detecting issues early, such as failing alternators or weak batteries.
- The integrated warning light allows for quick reactions to voltage anomalies.
- Improves overall vehicle reliability and reduces the risk of roadside breakdowns.
- Easy to install with the included harness, requiring no specialized tools or skills.
FEATURES:
- Provides real-time voltage monitoring for 6 to 18 volt systems.
- Equipped with an internal LED warning light that can be user-set for high and low voltage thresholds.
- Compact 2 1/16 inch (52mm) size allows for versatile mounting options in most vehicles.
- Direct connection to a power wire for accurate voltage readings.
- Includes a 3-foot power and lighting harness, simplifying the installation process.
- Designed for easy integration into existing dashboards or gauge panels with a standard 2.05 inch cutout.
- Offers a proactive way to identify potential electrical problems before they cause system failures.






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