I have read post about LED upgrades. I bought these bulbs off of Amazon and I could not believe how much brighter they are than the old incandescent bulbs. Not sure of their longevity. With lights on high beam on and car at idle with emergency flashers on headlamps would slightly pulse, they do not now. https://www.amazon.com/dp/B0932SW27C?ref=ppx_yo2ov_dt_b_product_details&th=1