qboy3388

Hi all, I changed my headlights, parking lights and fogs about 1.5 months ago (thanks to all the info and help from CL). But about 2 weeks ago, I noticed my right headlight turns off randomly, so I did some search on the forum and found that I should swap left and right bulbs around to see what the problem was so I did.
The day after I did the swap, my left headlight randomly shut down again. So I thought it was obvious the bulb was going bad and contacted the ebay seller and they agreed to send me a replacement(still on the way). I thought problem was solved but a few days later, my right headlight randomly turned off... every time this happens, all I have to do is turn them off and on again then they work just fine and they start up fine every single time. Now I'm really confused what's going wrong...
After a few days of testing, I found that if I start my car, then turn on the headlights, then the fogs, my headlights don't randomly shut off. If I have the headlight and fog switch on when I start the car, they all start up fine but sometimes one of my headlights would random turn off later. At least they are working fine now for like a week with no problem because I turn on my headlights on after I start the car then the fogs. I never leave my headlights on auto anyways so it's not a big problem for me. But I still like to find out what's going on.

Any idea what the problem would be? Thanks a lot!

I don't know if this matters, but my right side HID fog always flicks a few second when I turn my fogs on.
headlights : Ebay D4S
fogs: Ebay 35w HID kit
parking: Sylvania LEDriving