How to adjust your LED bulbs in your headlights/fogs

Have you invested in high end LED bulb and not satisfied?

Often car part stores and other retailers selling LED light bulbs have no idea how to install them or even know any requirements the bulbs needs for your specific vehicle. 

Adjustments also depends on the brand and design of the bulb. Here’s a few examples:

The picture on the right refers to the type of LED bulb H13 (high and low in one). The red arrow is pointing at the high beam LED chip that in this case is located farther back on the bulb. 

 

For bulbs designed that way, not only it is important to make sure once installed, the LEDs are pointing on the sides but also that the high beam chip is at the bottom once the bulb is locked in place.

 

If the bulb once locked in position is not in the proper angle as shown above, they are in most cases adjustable. Here, the ring is held by a screw.

Rotate the ring as needed. Some models simply spins within the ring itself and others are glued on. 

Here is the reflection of the low beam using the bulb above. Notice the nice cut line a the top of the beam (yellow line)

 

This is the result of having the LED chips pointing on the sides.

See what happens when the high beam chip is rotated to the top of the bulb once in place (red arrow)

This is high beam reflection (the green arrow) shows the proper beam with high chip rotated to the bottom of the bulb.

That’s why it is important to test and make adjustments if required before hitting the roads.

Unlike the H13 bulb, H4 is often  equipped with a deflector by the low beam LED chip.

That deflector needs to be on top of the chip once installed. This will create the top cut line of the beam needed to avoid glare to oncoming traffic.

Other brands such as R3 H4 that uses only one side LED chip for low beam and both on high beam are little different. 

The picture shows where the low beam LED chip should be pointing toward to, the outside. The high beam LED chips, towards the inside.

Again, the high beam chip is located closer towards the body of the bulb and low beam chip is centred on the bulb.

P9 9004 and 9007 adjustment is very similar. The positioning ring on the bulb needs to be removed in order to slip over the retainer ring from the vehicle between the fan and the positioning ring.

As all other 2 sided LED bulbs, the LED chips should perfectly positioned on the sides once in place in the headlights housing.

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GT 9004 and 9007 are also very alike. The positioning ring needs to be removed and sandwich the retainer ring from the vehicle in between.

As all other 2 sided LED bulbs, the LED chips should perfectly positioned on the sides once in place in the headlights housing.

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Alright I hope this post helped you and if you liked it or would like to suggest other topics, pls leave a comment bellow, share and we’ll support our viewers with their questions. Cheers guys/girls

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