How to install DRL boards: A general guide to replacing the DRL boards

How to install DRL boards

Welcome to our DRL board installation guide from DRLsDirect. As your trusted partner for quality DRL lighting, we aim to not only deliver superior products, but also to empower you with the knowledge and skills to enhance the aesthetics of your vehicle. This comprehensive guide outlines the general steps required to replace your Daytime Running Light (DRL) circuit board to help you improve the look and functionality of your vehicle.

If you were linked here from one of our products, it means that this type of installation applies to your vehicle. We understand that we do not currently have detailed instructions for every vehicle, so we have carefully drafted this guide to give you a thorough understanding of the DRL board conversion process. If you follow these guidelines, you should be well prepared for a successful completion of the installation.

Note: This is a general guide. Vehicle designs may vary, and the procedure may be slightly different for some models. Always consult your vehicle's manual or seek professional assistance if you are unsure about any step.

Installation Overview Video

What You Will Need

  • Screwdriver
  • Gloves
  • Hammer
  • Isopropyl alcohol
  • Razor blade
  • Lint-free microfiber cloth
  • 400-grit sandpaper
  • Thermal glue (not thermal paste)
  • Mini spring clamps or a 4" C-clamp
Some of the materials listed are optional and can be adjusted based on your specific requirements.

Step-by-step Guide

1. Identify and Remove the DRL Module

Locate the DRL modules. They are usually attached to the top or backside of the headlights. Unscrew the module using a T20 screwdriver. In some vehicles, you might need to remove the bumper, fender, or tires for better access.

Locate The DRL Module (heat sink) Locate The DRL Module (heat sink)

2. Detach the DRL Board from the Heat Sink

Move the module to a suitable workspace. Identify the factory thermal glue between the heat sink and the DRL board. Using a utility blade, carefully separate the LED board from the aluminum heat sink.

Separate LED board from heat sink Dismantle DRL boards from heat sink module

3. Clean the Heat Sink

Once the board is removed, use a razor blade to scrape off the old thermal glue from the heat sink. Be careful not to scrape into the aluminum. Clean the heat sink with isopropyl alcohol, ensuring all remnants of the old glue are removed.

Scrape off old thermal glue Clean heat sink with alcohol Further cleaning of heat sink

4. Apply New Thermal Glue and Install the New DRL Boards

Spread a line of thermal glue down the center of the new LED board's back. When placing the board on the heat sink, ensure the slots are centered and aligned with the tabs on the heat sink. Apply even pressure on the board to secure it, and use clamps to hold the boards in place.

Apply thermal glue to new LED board Install new DRL board on heat sink

5. Let the Thermal Glue Dry

Allow the thermal glue to dry for at least 1-2 hours before proceeding to the next step.

Letting thermal glue dry

6. Reassemble the DRL Modules

Finally, remove the clamps, and begin the reassembly process. Connect the boards to their respective plugs, and then reinsert the module into the headlight housing. Tighten the module using the T20 Torx screws, but be mindful not to over-tighten, as this can cause damage to the plastic housing.

Reassemble DRL module

7. Enjoy the Stunning Look

Congratulations! You have successfully installed the new DRL boards in your vehicle. Take a moment to admire the transformation and striking look of your car. The single color or multicolor RGB version add a touch of uniqueness and emulate your vehicle for an unforgettable appearance. We hope you are happy with the results and that this guide has been helpful to you.

Installing The RGB+W Version Of DRL Boards

If you're intrigued by the prospect of adding a vibrant twist to your car, you might consider installing the RGB+W version of the DRL boards. However, keep in mind that the RGB+W version may not be as bright as the OEM, and the installation process includes a few more steps due to extra wiring. Also, remember that this RGB+W version's control doesn't rely on the in-car switch but is managed through an app, and it activates when the car is on or off, not with your welcome lights.

Step 1: Installing The RGB+W Boards

The initial steps for installing the RGB+W boards are the same as those for the lemon yellow version. Once you've successfully installed the boards, you'll find there are extra wires to manage.

Step 2: Connecting To Switched Power

Next, you'll need to connect the harness and Bluetooth module to a switched power source. There's a switched power source available in the engine bay fuse box on the passenger side. However, using an add-a-fuse here won't allow you to replace the fuse box cover. If you're unwilling to leave the cover off or cut it, an alternative option is to run a positive wire to the trunk and use a switched power source from there.

Step 3: Managing The Harness And RGB+W Controller

Run the wiring harness from the boards to the RGB+W controller. The controller features a QR code on its back for you to download the required app to manage the RGB control.

Step 4: Managing The Wiring

The wire from the RGB+W boards gets pinched between the headlight housing and the foam gasket of the heat sink. This doesn't exert too much pressure and the foam gasket seals around the wiring to prevent water ingress.


With these steps, you can successfully upgrade your vehicle with our top-notch DRL boards. Remember that this is a generalized guide, and variations in designs from different car manufacturers may necessitate slight modifications to these steps. At DRLsDirect, we believe in empowering our customers to personalize their driving experience, one light at a time. Stay tuned to our blog for more insightful guides and tips on enhancing your vehicle's lighting. Happy driving!


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