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FAQ

Q: What does the number under the color mean? Does it mean brightness?

A: The number under the color choice (3000K, 5000K, 6000K, 8000K, and 10000K) actually represents the heat in Kelvins of the bulb. As the temperature changes, so does the color of the bulb. For the brightest light, choose 5000k or 6000k. For more exotic and vivid, choose 3000K, 8000k or 10000K.

Q: Neither side lighting up?

A: Check the headlight fuses, and then check the ballast plugs to insure correct installation. If this doesn't work, there may be a voltage problem with the vehicle. You probably just need a relay or capacitor which we offer for free. Let us know your year, make, and model and we will send one right away.

Q: What's the difference between the ballasts?

A: The Blitz, Bolt, and Boltzen series ballast all provide varying levels of durability and brightness. Our Boltzen ballasts provide the brightest light available and our also our longest lasting units.

Q: My vehicle has separate high beams and low beams, do I need a separate kit for both?

A: Yes and no, if you only want your low beams to HID then you only need one kit, but if you would like both beams HID, then you will need two separate kits. In addition, vehicles with separate beams usually have a different bulb size for the High beam. Check the Lighting Guide on Sylvania.com to verify your high beam bulb size.

Q: Will this bulb fit my vehicle?

A: We can match almost any vehicle to one of our 14 bulb sizes, We invite you to check: "https://www.sylvania.com/en-us/applications/automotive-lighting-systems/Pages/lrgmain.aspx" to find correct the bulb size.

Q: What's better? Hi-Lo or Bi-Xenon?

A: Hi-Lo Xenon bulbs actually have two bulbs per light socket, one HID Xenon bulb for low beam, and one halogen bulb for high beam. Bi-Xenon bubs provide xenon HID on both the high beams and the low Beams. Bi-xenon is recommended for a full HID experience!

Q: What's the best kit to get? 35w or 55w?

A: We would highly recommend checking out our AC 55w kits, they produce a brighter light, are less prone to flickering, last longer, and come in a more compact design. Although not recommended for fog lights or for aftermarket housings, a 55w kit will fit your factory high or low beam housing perfectly!

Q: My item has not arrived, what's taking so long?

A: Sometimes items take longer than expected, especially if it’s going far or to rural area. Check with your post office to see if your item has been held up. Sometimes USPS will not update a tracking number until it has arrived at its destination. If your item still has not arrived after a few days, let us know so we can open a case for you.

Q: Tracking number says "Delivered", but I still have not received my item.

A: USPS does not always update their tracking numbers properly. Sometimes USPS will mark an item “Delivered” even though it hasn’t arrived yet. Check thoroughly around your house and ask other household members if they received anything. If it still hasn't shown up after a few days, let us know and we can open a case for you to find your item.

Q: What's the difference between Hi-Lo and Bi-Xenon?

A: Hi-Lo Xenon bulbs actually have two bulbs per light socket, one HID Xenon bulb for low beam, and one halogen bulb for high beam. Bi-Xenon bulbs use the same HID Xenon bulb for the low beam and high beam. The Bi-Xenon bulb will actually tilt when the high beam is activated in order to provide the high beam light.

Q: Both sides flicker, flash, or work inconsistently

A: Check the headlight fuses, and then check the ballast plugs to insure correct installation. If this doesn't work, there may be a voltage problem with the vehicle. You probably just need a relay or capacitor which we offer for free. Let us know your year, make, and model and we will send one right away.

Q: The high or low beams are not turning on my Hi-Lo / Bi-Xenon Kit

A: The polarity setting must be changed until the low and high beams turn on appropriately, flip the ballast plugs and try again. If this does not work, a relay will be required to power the beams. Let us know your year, make, and model and we will send one for free.

Q: My low and high beams are switched!

A: The polarity setting must be changed until the low and high beams turn on appropriately, try flipping the ballast plugs and try again. Also, check and make sure the bulbs were not installed upside-down, this is surprisingly a common issue.

Q: Only one side lighting up?

A: Swap the ballast from the broken side to the working side to see if the problem follows. Do the same for the bulb. Whichever part the problem follows is the culprit. If the problem persists on the same side, there is a voltage issue and you need a relay or capacitor. Let us know your year, make, and model and we will send one right away.

Q: My bulbs won't fit, help!

A: A special bulb holder may be required. See if you can take the holder from the stock bulb. If not, let us know. The bulb size may be wrong, double check the item you received with the item you ordered. Do you have an aftermarket lighting housing? These may not be perfectly fitted for aftermarket bulbs and will require some manual modifications.

Q: Do I need a relay or capacitor for my kit?

A: Some vehicles do require a relay or capacitor in order to use an HID kit. We freely offer relays and capacitors for all of our kits, however, we only send them out for certain vehicle makes. During checkout, please include the year, make, and model in the notes section and we will send a free relay or capacitor along with your kit if needed.


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