1. Introduction
Thank you for choosing PHINLION H10 Ice Blue LED Fog Light Bulbs. These high-performance LED bulbs are designed to provide superior brightness and a distinctive ice blue light for your vehicle's fog lamps. This manual provides essential information for installation, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your new fog light bulbs.

Image: PHINLION H10 Ice Blue LED Fog Light Bulb
2. Product Features
- High Brightness: Each H10/9145 fog light bulb delivers 1900LM, totaling 3800LM per set, providing super bright illumination.
- Efficient Power: Operates at 8.6W with a current of 720mA, compatible with 10V-30V vehicle systems (12V/24V).
- Durable Design: IP67 waterproof rating ensures reliability in various weather conditions.
- Non-Polarity Sensitive: Easy installation without concern for polarity.
- Advanced Driver: Built-in intelligent constant current IC driver for stable performance.
- Enhanced Light Penetration: Features a glass projector for stronger and more focused light output.
- Superior Heat Dissipation: Hollowed-out 6063 aviation aluminum body ensures excellent heat management and extended lifespan.
- High-Quality LED Chips: Equipped with 4 pcs high power & high output CSP 1860 LED chips for 360-degree light output.

Image: CSP 1860 LED chips for high output.

Image: Hollowed-out aluminum body for efficient heat dissipation.

Image: Integrated constant current IC and glass projector for optimal performance.
3. Specifications
| Attribute | Value |
|---|---|
| Brand | PHINLION |
| Model Number | Phinlion-H10-1860-4SMD-IB |
| Bulb Type | LED Fog Light Bulb |
| Bulb Size Cross Reference | H10, 9040, 9045, 9050, 9140, 9145, 9155, PY20D |
| Color Temperature | 8000K (Ice Blue) |
| Lumen Output (per set) | 3800 Lumens |
| Power | 8.6W |
| Current | 0.72 Amps |
| Voltage | 10V-30V (fits 12V/24V vehicles) |
| Waterproof Rating | IP67 |
| Material | 6063 Aviation Aluminum |
| Item Weight | 1.94 ounces (per bulb) |
| Package Dimensions | 5.87 x 3.43 x 1.02 inches |
4. Setup and Installation
These LED fog light bulbs are designed for a plug-and-play installation for most vehicles. However, it is crucial to verify compatibility and follow proper installation procedures.
4.1. Compatibility Check
Before installation, confirm that these H10/9145 bulbs are compatible with your vehicle's fog lamp housing. You can do this by:
- Using Online Fitment Guides: Check the Amazon bulb guide on the product page by entering your vehicle's year, make, and model. Pay attention to any specific notes regarding fitment (e.g., "Fits Front Fog Light Only").
- Checking Stock Bulb Part Number: Visually inspect your existing fog light bulb to confirm its part number (e.g., H10, 9145).
- Consulting Your Owner's Manual: Refer to your vehicle's owner's manual or bulb chart for the correct fog light bulb type.

Image: Guide on how to check bulb fitment for your vehicle.
4.2. Installation Steps
The installation process is generally straightforward, similar to replacing a standard halogen bulb. Always ensure your vehicle's engine is off and the lights are cool before beginning.
- Locate Fog Light Housing: Identify the fog light assembly on your vehicle. This is typically accessible from behind the bumper or through the wheel well liner.
- Disconnect Power: Carefully disconnect the electrical connector from the existing fog light bulb.
- Remove Old Bulb: Twist or unclip the old bulb from its housing. Refer to your vehicle's manual for specific removal instructions.
- Insert New LED Bulb: Insert the PHINLION LED fog light bulb into the housing. Ensure it is seated correctly and securely. The 1:1 light position design ensures a similar beam pattern to halogen bulbs.
- Connect Power: Reconnect the electrical connector to the new LED bulb. Since these bulbs are non-polarity sensitive, the connection direction does not matter.
- Test Functionality: Turn on your vehicle's fog lights to ensure the new LED bulbs illuminate correctly.

Image: Comparison showing the 1:1 light position of the LED bulb relative to a halogen bulb.
4.3. Important Considerations
- CANBUS Systems: For some vehicles equipped with a CANBUS system, extra resistors (load resistors) may be required to avoid error codes on the dashboard or flickering issues. If you encounter these problems, consult a professional or research CANBUS decoder solutions for your specific vehicle model.
- Safety First: Always wear appropriate safety gear, such as gloves, during installation. Avoid touching the LED chips directly.
5. Operating Instructions
Once installed, the PHINLION H10 Ice Blue LED Fog Light Bulbs operate just like your vehicle's original fog lights. Simply activate your vehicle's fog light switch to turn them on or off.

Image: Example of the ice blue light output from the fog lights.

Image: Illustration of the fog light beam pattern on a surface.
6. Maintenance
PHINLION LED fog light bulbs are designed for long-term, maintenance-free operation. However, a few simple practices can help ensure their continued performance:
- Keep Clean: Periodically clean the outer lens of your vehicle's fog light housing to ensure maximum light output. Use a soft cloth and a mild cleaning solution.
- Inspect Connections: If you experience any issues, check the electrical connections to ensure they are secure and free from corrosion.
- Avoid Harsh Chemicals: Do not use abrasive cleaners or solvents on the bulbs or housing, as this may damage the materials.
7. Troubleshooting
If you encounter any issues with your PHINLION LED fog light bulbs, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Bulbs do not light up | Loose connection, incorrect bulb type, blown fuse, polarity issue (unlikely for non-polarity bulbs but check if other components are involved). | Check all electrical connections. Verify bulb type compatibility. Inspect vehicle's fuse box for a blown fuse. |
| Bulbs flicker or flash | CANBUS system incompatibility, insufficient power. | Install CANBUS load resistors/decoders. Ensure stable voltage supply. |
| Dashboard error message (e.g., "Bulb Out") | CANBUS system detecting lower power draw from LED bulbs. | Install CANBUS load resistors/decoders to simulate original halogen bulb resistance. |
| Light output is dim or inconsistent | Poor connection, dirty lens, faulty bulb. | Check connections. Clean fog light lens. If problem persists, contact support for bulb replacement. |
If you are unable to resolve an issue using the troubleshooting guide, please contact PHINLION customer support for assistance.
8. Warranty and Support
PHINLION H10 Ice Blue LED Fog Light Bulbs come with a one-year warranty from the date of purchase. This warranty covers manufacturing defects and ensures the product performs as described under normal use.
For warranty claims, technical support, or any questions regarding your product, please contact PHINLION customer service through the platform where you purchased the product (e.g., Amazon).
Please retain your proof of purchase for warranty validation.