I think we just dodged a bullet.<br/>It has been up in the high 80s the last 2-3 days.<br/>Our coach faces south. I was walking by the back end of the coach and thought I felt some heat.<br/>About a half hour ago the DW said the same thing. I opened the rear grill and oh boy, was the radiator ever hot!!<br/>Went in to the coach and could see the block heater switch glowing red from its...