It’s going from a low or high setting to the opposite. When it gets really hot out I’ll Set my fan to lo and just leave the fan run the entire time. Figure it’s better than the fan always trying to find a speed or setting it likes.
2012 Georgetown XL 350TS, Hellwig front/rear sway bars, Sumo Springs, Blue OX True Center steering damper
2013 Ford Explorer LTD toad, Roadmaster Stowmaster 5000, VIP><Tow Brake
Better to have a bad day of camping than a good day at work!