Headlight flickers when downshifting to 3rd gear

karotZ

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.

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