1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your XINYANG 4PCS Xenon White LED License Plate Lights. These lights are designed for universal fit across various 12V-24V DC vehicles and applications, offering bright, waterproof illumination.
2. Safety Information
- Always disconnect power before installation or maintenance to prevent electrical shock.
- Ensure correct wiring polarity (red wire for positive, black wire for negative) to avoid damage to the lights.
- Verify the voltage of your vehicle's electrical system (12V-24V DC) matches the product specifications.
- Use appropriate tools and wear safety glasses during installation.
- If unsure about any installation step, consult a qualified professional.
3. Package Contents
Your package should contain the following items:
- 4 x XINYANG Xenon White LED License Plate Lights
- Mounting Screws

Image: Contents of the XINYANG 4PCS Xenon White LED License Plate Light package.
4. Specifications
| Brand | XINYANG |
| Model Number | 6smd LED license plate light-4pcs |
| Light Color | Xenon White (6000K) |
| LED Type | 6-SMD LED Chips |
| Voltage | 12V-30V DC |
| Wattage | 1.2W per bulb |
| Brightness | 100 lumens per bulb |
| Waterproof Grade | IP65 |
| Lifespan | 50,000+ hours |
| Dimensions (L x W x H) | 66 x 33 x 22 mm (2.6 x 1.3 x 0.9 inches) |
| Wire Length | 152 mm (6 inches) |
| Weight | 14g (0.03lb) per bulb |
| Lens Material | ABS |
| Automotive Fit Type | Universal Fit |

Image: Product dimensions for the XINYANG LED License Plate Light.

Image: Detailed product specifications for the XINYANG LED License Plate Light.
5. Installation
Follow these steps for proper installation:
- Prepare Mounting Location: Choose a flat surface for mounting. The lights can be mounted using the provided screws. For a secure fit, ensure the surface is clean and dry.
- Mark and Drill: Use the light as a template to mark the positions for the two mounting screws. Drill pilot holes if necessary, ensuring they are appropriate for the screw size. If routing wires through the mounting surface, drill a small hole for the wires.
- Wire Connection: Connect the red wire of the LED light to the positive (+) terminal of your 12V-24V DC power source. Connect the black wire to the negative (-) or ground terminal. Ensure connections are secure and insulated to prevent short circuits.
- Mount the Light: Position the light over the drilled holes and secure it with the provided screws. Ensure the light is firmly attached.
- Test Functionality: Once installed, turn on the power to test the lights.
Video: Demonstration of installation steps, brightness, and waterproof features for a similar 12V LED license plate light.
6. Operation
These LED lights are designed for simple operation. Once correctly wired to a 12V-24V DC power source, they will illuminate when power is supplied. Some installations may include an external switch for convenient control.
7. Maintenance
- Cleaning: Clean the lights periodically with a soft cloth and mild soap to remove dirt and debris. Avoid abrasive cleaners that could scratch the lens.
- Waterproof Design: The lights feature an IP65 waterproof rating, making them resistant to dust and water jets. This allows for worry-free use in various weather conditions, including rain and snow.
- Inspection: Regularly inspect wiring and mounting for any signs of wear or damage. Ensure all connections remain secure.

Image: The IP65 waterproof design ensures durability in wet conditions.
8. Troubleshooting
- Lights Not Illuminating:
- Check power connections: Ensure red wire is connected to positive and black to negative.
- Verify power source: Confirm the vehicle's power source is active and within the 12V-24V DC range.
- Inspect fuses: Check for blown fuses in the vehicle's electrical system.
- Dim or Flickering Lights:
- Check for loose connections or corrosion at wiring points.
- Ensure adequate voltage supply from the power source.
- Water Inside Light Housing:
- While the lights are IP65 rated, extreme conditions or improper sealing during installation can lead to moisture. Inspect for cracks or damage to the housing.
9. Versatile Applications
These LED lights are suitable for a wide range of applications due to their compact size, brightness, and durable construction:
- License Plate Light: Provides clear illumination for vehicle license plates.
- Step Courtesy Light: Enhances visibility when entering or exiting vehicles.
- Dome/Roof Light: Offers interior lighting for cabins or cargo areas.
- Trunk/Cargo Light: Illuminates storage compartments in trucks, SUVs, and vans.
- Under Hood Light: Provides light for engine bay inspections or maintenance.
- Universal Vehicle Use: Compatible with trucks, SUVs, trailers, vans, RVs, motorcycles, ATVs, UTVs, scooters, and boats.

Image: Examples of the LED light used for license plate and under-trailer illumination.

Image: Diverse applications across different vehicle types.
10. Warranty and Support
XINYANG offers a 12-month after-sale service for returns or refunds without risk. For any questions or support needs, please contact us. We are committed to providing a satisfactory solution within 24 hours.