Had a similar problem on an older travel trailer. Found a furnace filter that just leaned against the cover as I shut things up. Made enough of a buffer to keep the flame going.
I replaced my incandescent bulbs with LED but not much power savings on the fluorescent so didn't bother.
2006 Gulfstream Friendship G7, Cat C7 and Allison 6 spd
Honda VTX and Crusier Lift on the back
Blue Ox Aladdin, Brake Buddy, 2014 Chevy Equinox toad