1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your CNSPEED 2inch 52mm Triple Gauge Kit. This kit is designed to monitor critical vehicle parameters, including water temperature, battery voltage, and oil pressure. It is suitable for most 12V vehicles.
Please read this manual thoroughly before installation and operation to ensure proper function and safety.
2. Product Features
- Triple Gauge Set: Includes Water Temperature Gauge, Volt Meter, and Oil Pressure Gauge.
- Water Temperature Gauge Range: 100 to 280°F.
- Volt Meter Range: 8V to 16V.
- Oil Pressure Gauge Range: 0 to 100 psi.
- Sensor Port Size: Z 1/2.
- High Sensitivity and Accuracy: Provides reliable readings.
- Universal Fit: Compatible with most 12V vehicles.
- Clear Display: Features white face dials, black markings, and red needles for easy readability.
- Backlighting: Integrated lighting on the dial for clear reading in low-light conditions.
- Durable Construction: Made of plastic and metal with a chrome housing for stable performance and longevity.
3. Package Contents
Verify that all components are present before beginning installation.
- Triple Gauge Unit (Water Temp, Volts, Oil Press)
- Water Temperature Sensor
- Oil Pressure Sensor
- Mounting Bracket
- Necessary Wiring and Connectors
- Assorted Fittings and Hardware

This image displays the triple gauge unit, the water temperature sensor, and various wiring and connection components, along with a selection of fittings and hardware required for installation.
4. Specifications
| Attribute | Value |
|---|---|
| Brand | CNSPEED |
| Material | Metal, Plastic |
| Item Dimensions (L x W x H) | 9.45 x 3.54 x 3.54 inches |
| Item Weight | 560 Grams |
| UPC | 740283668558 |
| ASIN | B0BZL17YGD |

This image provides detailed measurements for the overall gauge unit and individual gauge components, including diameter and depth, in both millimeters and inches.
5. Setup and Installation
Proper installation is crucial for accurate readings and safe operation. It is recommended that installation be performed by a qualified professional if you are unfamiliar with automotive electrical and mechanical systems.
5.1 General Wiring
- Connect the positive electrode (red wire) to a switched 12V power source (e.g., ignition switch).
- Connect the negative pole (black wire) to a reliable vehicle ground point.
- Ensure all connections are secure and insulated to prevent short circuits.

This diagram shows the rear view of the triple gauge unit with labeled connections for the negative pole, positive electrode, and the LCD bulb (amber yellow light). It also illustrates the water temperature sensor connection.
5.2 Sensor Installation
- Water Temperature Sensor: Install the water temperature sensor into an appropriate port in your vehicle's cooling system. Ensure a watertight seal. The sensor port size is Z 1/2.
- Oil Pressure Sensor: Install the oil pressure sensor into an available oil pressure port on your engine. Use appropriate thread sealant to prevent leaks. It is recommended to use a metal oil line for durability and reliability.
- Volt Meter: The voltmeter typically connects directly to the vehicle's 12V electrical system and does not require a separate sensor.
5.3 Mounting
Securely mount the triple gauge unit in a location that provides clear visibility to the driver without obstructing the view of the road or other controls. Use the provided mounting bracket and hardware.

This image shows the three gauges (Water Temp, Volts, Oil Press) mounted in their chrome housing, ready for installation in a vehicle dashboard or panel.

This image demonstrates the triple gauge kit mounted within a vehicle's interior, highlighting its suitability for various 12V car models.
6. Operating Instructions
Once properly installed, the gauges will provide real-time monitoring of your vehicle's vital systems when the ignition is on.
6.1 Reading the Gauges
- Water Temperature Gauge: Displays engine coolant temperature in degrees Fahrenheit (100-280°F). Monitor this to prevent overheating.
- Volt Meter: Shows the vehicle's battery voltage (8V-16V). A healthy charging system typically reads between 13.5V and 14.5V when the engine is running.
- Oil Pressure Gauge: Indicates engine oil pressure in pounds per square inch (0-100 psi). Proper oil pressure is essential for engine lubrication.

This image highlights the specific measurement ranges for each gauge: Water Temperature (100-280°F), Volts (8-16V), and Oil Pressure (0-100 psi).
6.2 Backlighting
The gauges feature integrated backlighting for improved visibility during nighttime driving or in low-light conditions. The lighting activates with the vehicle's accessory power.

This image contrasts the appearance of the gauges in bright daylight with their illuminated state at night, demonstrating the effectiveness of the backlighting for readability.
7. Maintenance
To ensure the longevity and accuracy of your CNSPEED Triple Gauge Kit, follow these general maintenance guidelines:
- Cleaning: Wipe the gauge faces and housing with a soft, damp cloth. Avoid abrasive cleaners or solvents that could damage the finish or clear lens.
- Connection Checks: Periodically inspect all electrical and sensor connections to ensure they remain tight and free from corrosion. Loose connections can lead to inaccurate readings or intermittent operation.
- Sensor Integrity: Check the water temperature and oil pressure sensors for any signs of damage or leaks. Replace damaged sensors promptly.
8. Troubleshooting
If you experience issues with your triple gauge kit, refer to the following troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power to gauges/No backlighting | Loose wiring, blown fuse, incorrect power source. | Check positive and negative connections. Verify fuse in the power circuit. Ensure connection to a switched 12V source. |
| Inaccurate Voltmeter reading | Poor ground connection, faulty gauge, vehicle electrical issue. | Ensure a solid ground connection. Test vehicle voltage with a multimeter for comparison. If discrepancy persists, contact support. |
| Water Temperature Gauge not working or inaccurate | Faulty sensor, incorrect sensor installation, wiring issue. | Check sensor connection and ensure it's properly installed in the cooling system. Verify wiring continuity. |
| Oil Pressure Gauge not working or inaccurate | Faulty sensor, oil leak at sensor, incorrect sensor installation, wiring issue. | Check sensor connection and ensure it's properly installed and sealed. Inspect for oil leaks around the sensor. Verify wiring continuity. Consider using a metal oil line for better reliability. |
9. Product Video
Watch the official product video for a visual overview of the CNSPEED 2inch 52mm Triple Gauge Kit.
10. Warranty and Support
For warranty information or technical support, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.
Manufacturer: CNSPEED