My 03 Tl-s had 6000k HID headlights and 2500K Fog lights. Sometimes when I turn on the headlights with the fog lights, the left side turns off. Then I would have to turn off the fog lights and the headlight might turn on after a few tries. Anybody ever had this problem? Help.

 

it maybe because of the ignitor or ballast to the headlight or a loose connection. im not too sure.

 

your ballast is going

 

I cleaned the contact point on my HID bulb and it took care of this problem for me.