If you have the 4th wire on the passenger side headlight you can tap into that with your new LED headlight. (from all that I've gathered). I bought some Molex mx150 from digikey.
I can't confirm as I don't have my truck yet, but I'm fairly confident it will work based on others comments. If...
Thanks guys. I get my 2022 in a couple weeks, just wanting to have everything ready to switch out to the LED headlights. I struggle to see at night driving with what I drive currently.