Hilighting GC352
Hilighting LED Light Kit for Lego Christmas Tree (Model 40573) Instruction Manual
1. Introduction
This instruction manual provides detailed guidance for installing and operating your Hilighting LED Light Kit, designed to enhance the Lego Christmas Tree Building Set (Model 40573). This kit adds vibrant lighting effects to your existing Lego model, bringing it to life. Please note that the Lego Christmas Tree model itself is not included with this light kit.
2. Safety Information
- Keep small parts away from children to prevent choking hazards.
- Ensure the power source is 5V to avoid damage to the LED lights.
- Do not expose the light kit to water or extreme temperatures.
- Handle wires carefully to prevent damage during installation.
3. Package Contents
Please verify that all the following components are included in your package:
- LED Light Strips
- Connecting Cables
- USB Connect Cable
- Power Supply Box (Battery NOT included)
- Socket Expansion Board
- Tweezers
- Instruction Manual (this document)

4. Setup and Installation
The Hilighting LED Light Kit is designed for easy installation. For detailed visual instructions, it is highly recommended to refer to the official online PDF or video guides provided by Hilighting. These resources offer step-by-step visual assistance that complements this manual.
General Installation Steps:
- Prepare the Lego Model: Ensure your Lego Christmas Tree (Model 40573) is fully assembled according to its original instructions.
- Identify Placement Points: The light kit is designed to integrate seamlessly. Identify the designated areas on your Lego model where lights and wires will be placed.
- Install LED Lights: Carefully attach the LED light strips and individual lights to the Lego bricks. The wires are designed to be concealed for a clean aesthetic. Use the provided tweezers for precise placement of smaller components.
- Connect Components: Use the connecting cables to link the LED lights to the socket expansion board. Ensure all connections are secure.
- Power Connection: Connect the USB cable to the power supply box. Insert batteries (not included) into the power supply box, or connect the USB cable to a 5V USB power source.
- Test Lights: Before final assembly or securing all wires, briefly connect power to test if all lights are functioning correctly.


For a comprehensive visual guide, please refer to the official installation video:
Video 4.1: Official Hilighting installation guide for the LED Light Kit on the Lego Christmas Tree 40573. This video demonstrates the process of integrating the lights with the building set.
5. Operating Instructions
Once installed and connected to a power source, the Hilighting LED Light Kit offers various lighting effects:
- Power On/Off: The lights will activate once connected to a 5V power source. Disconnect the power source to turn them off.
- Lighting Modes: The kit features seven-color self-flashing lights and ordinary static light options. Specific controls for switching between modes may be located on the power supply box or integrated into the wiring. Refer to the detailed online instructions for precise operation of lighting modes.

6. Maintenance
To ensure the longevity and optimal performance of your Hilighting LED Light Kit, follow these maintenance guidelines:
- Cleaning: Gently wipe the LED lights and wires with a dry, soft cloth. Avoid using liquids or abrasive cleaners.
- Storage: When not in use, store the light kit in a cool, dry place, away from direct sunlight and extreme temperatures. Ensure wires are not tangled or pinched.
- Wire Integrity: Periodically inspect wires for any signs of wear, fraying, or damage. If damage is observed, discontinue use and contact customer support.
7. Troubleshooting
If you encounter issues with your LED Light Kit, please refer to the following common troubleshooting steps:
- Lights Not Turning On:
- Check the power source: Ensure the USB cable is securely connected and the power supply box has fresh batteries (if used).
- Verify connections: Confirm that all light strips and cables are properly connected to the expansion board.
- Inspect for damage: Look for any visible damage to wires or LED components.
- Some Lights Not Working:
- Check individual connections: Ensure the specific light or light strip that is not working has a secure connection.
- Isolate the issue: If possible, test the problematic light strip or component separately to determine if it is faulty.
- Flickering Lights:
- Unstable power: Ensure a stable 5V power supply. Low battery power can cause flickering.
- Loose connections: Re-check all connections for tightness.
If these steps do not resolve the issue, please contact Hilighting customer support for further assistance.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Hilighting |
| Model Number | GC352 |
| Compatibility | Lego Christmas Tree Building Set (Model 40573) |
| Light Source Type | LED |
| Power Source | Battery Powered (5V, batteries not included) or USB |
| Material | Plastic |
| Item Weight | 3.84 ounces |
| Package Dimensions | 6.1 x 3.94 x 1.26 inches |
| Recommended Age | 8 years and up |
9. Warranty and Support
Hilighting offers a replacement policy for this LED Light Kit within two years of purchase. For warranty claims, technical support, or any questions regarding your product, please contact Hilighting customer service through the retailer where the product was purchased or visit the official Hilighting store online.
Online Store: Visit the Hilighting Store on Amazon