How to Install Boslla 100W LED Headlight Bulbs

h11 h7 h4 9005 9006 h13 9004 9007 9012 5202 led bulb headlight bulb

Are you tired of your dim and outdated headlights? Do you want to improve your visibility and enhance your driving experience? Look no further than Boslla LED headlight bulbs. With their easy installation process and superior performance, LED headlights are becoming a popular choice among car enthusiasts. In this article, we will guide you on how to install Boslla 100W LED headlight bulbs in a professional and efficient manner.

LED Headlight Bulbs Step By Step Installation

For H10, H11, 9005, 9006, 9012, 5202, 880 Bulb Size


For H1, H3, H4, H7, H13, 9004, 9007 Bulb Size


Step 1: Gather the necessary tools and materials. You will need a pair of LED headlight bulbs, a screwdriver, and possibly a trim removal tool, depending on your car’s model.

Step 2: Park your vehicle in a safe and well-lit area. Ensure that the engine is turned off and that the headlights are also switched off.

Step 3: Open the hood of your car and locate the back of the headlight assembly. This is where the headlight bulb is housed.

Step 4: Depending on your car’s make and model, you might need to remove a protective cover or a dust cap to access the headlight bulb. Use a screwdriver or trim removal tool to gently pry off any covers.

Step 5: Once the cover is removed, locate the electrical connector at the back of the headlight bulb. Carefully disconnect the connector by pressing the release tab and gently pulling it away from the bulb.

Step 6: Now, it’s time to remove the old headlight bulb. Grip the bulb firmly and rotate it counterclockwise to release it from the headlight assembly. Be cautious not to touch the glass part of the bulb, as the oils from your skin can cause it to malfunction.

Step 7: Take the new LED headlight bulb and insert it into the headlight assembly. Make sure it is securely in place by rotating it clockwise until it locks. Verify that the bulb is in the correct position and alignment.

Step 8: Reconnect the electrical connector to the back of the new LED headlight bulb. Ensure that it is securely connected by pressing until you hear a click or feel it lock in place.

Step 9: If you remove any protective covers or dust caps, reattach them securely to protect the new bulb from the elements.

Step 10: Test the newly installed LED headlight bulb by turning on your headlights. Make sure that both the low beam and high beam functions are working correctly. If there are any issues, double-check the connections and ensure that the bulb is properly seated.

Congratulations! You have successfully installed LED headlight bulbs in your vehicle. Take a moment to appreciate the improved brightness and clarity of your new headlights.

LED Headlight Bulb Correct Orientation

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.


It is worth mentioning that some vehicles may require additional adjustments to the headlight beam angle after installing LED bulbs. This is to ensure that the light beam is properly aligned and doesn’t blind oncoming drivers.

How to Find the Correct Bulb Size

Unlike traditional halogen bulbs, LED headlights offer a longer lifespan, lower energy consumption, and increased brightness. These bulbs also provide a more focused and even beam pattern, which improves visibility on the road. With LED technology, you can transform your vehicle’s headlights into a stylish and efficient lighting solution.

Before we dive into the installation process, it is important to note that LED headlight bulbs come in various sizes, depending on the make and model of your vehicle. It is crucial to identify the correct bulb size to ensure compatibility and a proper fit. This information can be found in your vehicle’s owner’s manual or by checking with Boslla Auto Bulb Finder Below.

Boslla 100W LED Headlight Bulbs