How to Install a HID Kit in Halo Projector Headlights

by Alibaster Smith
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bmw dynamic hid xenon headlight image by Jorge Moro from

An HID kit, or high intensity discharge kit, can vastly improve the function of your vehicle's aftermarket halo headlights. Halo headlights have a "ring" of light around the main light. This type of projector headlight focuses a beam of light onto the road so that you can see while driving at night. HID kits are available from most auto parts stores and aftermarket specialty shops (sometimes referred to as "speed shops"). When purchasing an HID kit for your vehicle, choose an HID bulb with a brightness between 8,000K and 10,000K for your halo projector headlights.

Step 1

Open the hood of your vehicle and unplug the electrical connector from the back of your halo headlight ballast.

Step 2

Plug the factory electrical plug into the HID kit's ballast.

Step 3

Turn the halo halogen bulb counterclockwise and pull it out of the headlight assembly.

Step 4

Align the tabs on the HID bulb with the notches cut in the halo headlight housing.

Step 5

Press the HID bulb into the housing and turn it clockwise to lock it to the housing.

Step 6

Plug the HID ballast into the back of the HID bulb.

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