Could be the hid ballast or the bulb. More than likely it's a bad igniter in the bulb. I'd just order a new hid kit from ddm tuning. It's always nice to have back up parts when it comes to hid's. I've went through 3 ballasts so far.
My first suspect would be the ballasts. As mentionned above, if the lights fire fine, the ignitors are out of the question - their role in the whole story ends once the lights are on.Same issue here. What did you find out was the issue with the headlight?
There's no such a thing like ballasts that are not designed for xenon bulbs. Ballasts are the electronic modules that limit the current through the gas discharge of the xenon bulbs. In a vehicle xenon lighting system they also thansform the 12 V DC of the car's system into 85 V AC needed for the xenon bulbs to work, plus they generate the pulse for the ignitors needed to initiate the discharge through the bulbs. Some manufacturers combine the ballastand the ignitor in one box. All this is essential for the xenon lights to operate. And none of those (ballast and ignitor) is needed for a halogen (or other incadescent) bulbs - those need only 12 V DC to operate and take it directly from the car's system. So if you have halogen bulbs, you don't have ballasts and ignitors. If you have xenon bulbs, you do have ballasts (OEM or after-market). So your explanation of the problem observed does not sound very logical. :dunno:Hi Folks,
The dealer seems to have identified my issue... turns out the previous owner put in Xenon bulbs (made in Hungary), while my vehicle was not Xenon equipped as OEM. Hence the ballasts are not designed for Xenon and there appears to be a heating issue. So my choice is to buy new ballasts or replace the bulbs. Sucks for me either way.