Headlight flickers when downshifting to 3rd gear
 

I have no clue if anyone aside from me experienced this: my headlight on the passenger side flickers about 4 to 6 times whenever I downshift to 3rd gear. But everything else, normal driving, freeway, spirited, downshift to other gears, cold start - the headlight works as expected. I had these guys (I forgot the brand I bought) for almost 2 years now, never had a problem. I'm gonna have someone take a look at it tomorrow but I want to pick folks who are familiar with headlights and electronics as to why this is happening? I have searched using multiple search engine, our forum and even browsed, I could not find someone with a similar problem. I'm using 6K with 35W, was professionally installed without the bulbs being touched. Oh yeah, my battery is fresh too.

More than likely a loose/dirty connector or bad wire. Unplug all the connectors going to the light, check for dirt/corrosion, clean as needed, plug back in. If it still happens, try wiggling the wiring with the lights on.

I'll try that, I was suppose to have it looked at today but got too lazy. Thanks, I'm hoping it's like just what you said, a lose wire/connection.