How to Install Boslla 3 Colors LED Headlight Bulbs

White Yellow LED Headlight Bulb For Rainy Snowy Foggy Sunny

Boslla B4 LED bulbs are the first 3-colors led headlight bulbs in the world. With 6500k 4300k 3000k three-color temperatures, these Boslla 3-colors led bulbs will help you see through and drive safely in rainy, foggy, snowy, and smoggy weather conditions and at night.

Today, we will teach you how to install these headlight bulbs correctly so that their functions can be maximized.

Step-by-step installation guide

For H11, 9005, 9006, 9012, 5202 Bulb Size

For H1, H3, H4, H7, H13 Bulb Size

For 9004, 9007 Bulb Size


Installing LED headlight bulbs may seem daunting at first, but it’s actually quite simple. If you have the right tools and follow the proper steps, you’ll have brighter and more efficient headlights in no time.

Step 1: Locate the headlight assembly

First things first, you need to locate your vehicle’s headlight assembly. This can usually be found by opening the hood and looking for the backside of the headlight casing. Consult your owner’s manual if you’re having trouble finding it.

Step 2: Remove the headlight bulb

Once you’ve located the headlight assembly, gently remove the current headlight bulb. Be careful not to touch the glass part of the bulb with your bare hands, as this can leave oils on the bulb that can damage it over time.

Step 3: Install the LED bulb

Next, take your new LED headlight bulb and install it into the headlight assembly. Make sure it’s in the correct position and secure it in place.

Step 4: Test the headlights

Finally, turn on your headlights to make sure they’re working properly. If everything looks good, you’re all set!

See, that wasn’t so bad, was it? With a little bit of patience and the proper tools, you can easily install LED headlight bulbs yourself. Not only will you have brighter and more efficient headlights, but you’ll also save money by doing it yourself.

But remember, make sure to avoid common mistakes, such as touching the bulb with bare hands and failing to aim the headlights properly. And be sure to choose the right bulb model that’s compatible with your vehicle.

By following these simple steps, you can upgrade your headlights and improve your visibility on the road. So go ahead, give it a try!

Correct LED headlight bulb position

LEDs are “directional” light sources, which means they emit light in a specific direction. The light will otherwise appear to have a poor output or beam pattern, not to mention the glare it may cause other drivers.

The diodes (LED chips) should always be in a side-to-side orientation, meaning, you should have one set of LEDs facing at 3 o’clock and the other set facing at 9 o’clock. This will allow a nice and even 360° light distribution throughout the housing creating an even beam of light as well as evenly filling up the housing. And the wire harness should face down at 6 o’clock.

How to find your bulb size

Not all LED headlights are compatible with all vehicles. Make sure to check the bulb’s compatibility before purchasing to avoid any mishaps. It’s a major buzzkill to get all the way through the installation process only to realize the bulbs aren’t compatible with your vehicle.

You can use Boslla Auto Bulb Finder below by entering your vehicle info to find the correct led bulb size.