Hello everyone, yes I'm a new member so please go easy on me. What brought me here is I'm in need of finding out whats causing a friends car to overheat. She is driving a 2010 Hyundai and the rad fans do not turn, only when AC switch is on. I did a quick inspection, I made sure fans work when relays are jumped and replaced the coolant temp in hopes that was the culprit, no luck so far, anyone? These cars do have a low/high speed control module right?