Fan Controller
On our 2006 Itasca Horizon w/Cummins 400 We had some temp issues out west in June. Warning temps when climbing and I had to downshift to cool things off. Got home cleaned the RAD and all looks good. I...
Forum Discussion
Not sure but I think the fan runs all the time when the acnd is on. Pretty sure mine does. In fact the engine runs a little cooler when the acnd is on,
