1. Introduction
Thank you for choosing HVIERO 1156/1157 144SMD LED Car Bulbs. These high-performance LED bulbs are designed to provide superior illumination and durability for various automotive lighting applications. Featuring advanced 144SMD 3014 chips and an intelligent IC drive, they ensure stable voltage and 360-degree light output. This manual provides essential information for the safe installation, operation, and maintenance of your new LED bulbs.
2. Safety Information
- Always ensure the vehicle's power is off before attempting installation or removal of bulbs.
- Wear protective gloves and eyewear during installation to prevent injury.
- LED bulbs can become hot during operation. Allow them to cool down before handling.
- Do not look directly into the illuminated LED bulb, as it can cause eye strain.
- Keep out of reach of children.
3. Product Overview
These LED bulbs are engineered for optimal performance and longevity. Key features include:
- High Brightness: Equipped with 144SMD 3014 LED chips for ultra-bright illumination.
- Intelligent IC Drive: Built-in load resistors and an IC driver ensure stable voltage and prevent flickering or error messages.
- 360° Illumination: Designed to provide light in all directions, eliminating dark spots.
- Durable Construction: Made with a plastic PC material transparent shell and aviation aluminum for effective cooling and heat dissipation.
- Multi-Color Options: Available in White, Red, and Yellow to suit various lighting needs.
4. Specifications
| Feature | Detail |
|---|---|
| Model Name | 1156/1157 144SMD |
| Brand Name | HVIERO |
| OEM Number | 11B949101 |
| Voltage | DC 12V |
| Wattage | 28.8W |
| Lumens | 2600LM |
| Item Weight | 15g |
| Size | 55mm x 20mm |
| Interface Type | BA15S (1156) / BAY15D (1157) |
| Light Source | LED |
| Service Life | 50,000 hours |
| Material | Glass + PVC Soft Board + Aviation Aluminum |
| Color Options | Red, White, Yellow |
| Application | Reverse lights, Brake lights, Turn signals, Daytime Running Lights, Width lights |
| Compatibility (1156 BA15S) | 1073, 1093, 1129, 1141, 1159, 1259, 1459, 1619, 1651 |
| Compatibility (1157 BAY15D) | 1157, 1157A, 1680, 2057, 2357, 3496, 5007, 5008, 7225, 7506, 7527, 7528, P21/5W |
| High-concerned chemical | None |
| Origin | Mainland China |
5. Setup and Installation
Before installation, ensure you have selected the correct bulb socket type (BA15S or BAY15D) for your vehicle. Refer to your vehicle's owner's manual for specific bulb requirements.
5.1 Identifying Socket Type
- BA15S (1156): Features a single contact at the bottom and two locking pins at 180 degrees on the base.
- BAY15D (1157): Features two contacts at the bottom and two locking pins at different heights (offset) on the base.
5.2 Installation Steps
- Turn off Vehicle Power: Ensure your vehicle's ignition is off and the lights are switched off to prevent electrical shock or damage.
- Locate Bulb Housing: Access the light assembly (e.g., tail light, turn signal, reverse light) from the rear of the housing or under the hood, depending on your vehicle model.
- Remove Old Bulb: Gently twist and pull out the old bulb from its socket.
- Insert New LED Bulb: Align the pins of the HVIERO LED bulb with the slots in the socket. Push the bulb in and twist clockwise until it locks securely into place.
- Test Functionality: Turn on your vehicle's ignition and test the installed light function (e.g., turn signal, brake light, reverse light) to ensure it operates correctly.
- Secure Housing: Reassemble the light housing and any covers removed during installation.
6. Operating Instructions
These LED bulbs are designed to function as direct replacements for standard incandescent bulbs in compatible sockets. Their operation is integrated with your vehicle's existing lighting system.
6.1 Functionality
- Reverse Lights: When installed as reverse lights, the white LED bulbs will illuminate brightly when the vehicle is shifted into reverse.
- Brake Lights: Red LED bulbs will activate when the brake pedal is pressed, providing clear stop indication.
- Turn Signals: Yellow LED bulbs will flash when the turn signal lever is engaged, indicating your intended direction.
- Daytime Running Lights (DRL) / Width Lights: White or yellow LED bulbs can be used for DRLs or width lights, enhancing vehicle visibility during the day or at night.
7. Maintenance
HVIERO LED bulbs are designed for long-term, maintenance-free operation. However, consider the following for optimal performance:
- Cleaning: If the bulb's transparent shell becomes dirty, gently wipe it with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
- Inspection: Periodically check the bulbs for any signs of damage or loose connections.
- Replacement: Due to their long lifespan, frequent replacement is not expected. If a bulb fails, replace it with another HVIERO LED bulb of the same type and specification.
8. Troubleshooting
Most issues with LED bulb installation are minor and can be resolved with simple checks.
8.1 Common Issues and Solutions
| Problem | Possible Cause | Solution |
|---|---|---|
| Bulb does not light up | Incorrect installation, loose connection, incorrect polarity, faulty bulb, vehicle fuse issue. | Ensure bulb is fully seated and twisted into the socket. Check for correct polarity (some older vehicles may require reversing the bulb if it doesn't light up). Test with another known good bulb. Check vehicle's fuse box. |
| Hyper Flashing (Turn Signals) | LED bulbs draw less power than incandescent bulbs, causing the vehicle's flasher relay to interpret it as a burnt-out bulb. | Install a load resistor (not included) in parallel with the LED bulb or replace the vehicle's flasher relay with an LED-compatible one. The built-in IC drive helps, but some vehicles may still require additional resistors. |
| Error Message on Dashboard | Similar to hyper flashing, the vehicle's CANBUS system detects lower power draw. | Install a CANBUS-compatible load resistor (not included) or ensure your vehicle's system is compatible with low-power LED bulbs. |
| Dim or Flickering Light | Unstable voltage, poor connection, incompatible vehicle electronics. | Ensure connections are clean and secure. The intelligent IC drive is designed to stabilize voltage, but extreme vehicle electrical issues may require professional diagnosis. |
9. User Tips
- For turn signal applications, if hyper flashing occurs, consider purchasing external load resistors to resolve the issue.
- Always double-check your vehicle's bulb type before ordering to ensure compatibility.
- When replacing multiple bulbs, it's often beneficial to replace them in pairs to maintain consistent light output and color.
10. Frequently Asked Questions (FAQ)
- Q: Are these bulbs CANBUS error-free?
- A: These bulbs feature an intelligent IC drive with built-in load resistors to help prevent CANBUS errors. However, some sensitive vehicle systems may still require additional external load resistors to completely eliminate error messages or hyper flashing.
- Q: What is the difference between 1156 and 1157?
- A: The 1156 (BA15S) bulb has a single contact at the bottom and is typically used for single-function lights like reverse lights or turn signals. The 1157 (BAY15D) bulb has dual contacts at the bottom and is used for dual-function lights like brake/tail lights or front turn signal/DRL combinations.
- Q: Can I use these bulbs for both front and rear turn signals?
- A: Yes, if your vehicle uses the 1156 or 1157 socket type for both front and rear turn signals, these bulbs are suitable. Remember to check for hyper flashing and install load resistors if necessary.
11. Warranty and Support
HVIERO products are manufactured to high-quality standards. For any issues or support needs, please contact the seller or refer to the official product page for warranty details and customer service information.
For additional documentation, including a user manual in PDF format, please refer to the User Manual (PDF).