I removed my AC as all the fittings were loose, then took off my engine fan. I took out the AC cooler in front of radiator, but reinstalled the fan. Then I shorted across the the electrical connection that went to the AC separator column (?) (was next to the EVAP canister). Now, when I turn on the AC (if the heater fan is ON at any speed) the AC Cooling fan to radiator comes on. If the heater is ON at any speed, and I forget to turn on AC, there is a high temp switch that engages the AC Cooling fan and get me out of trouble. Only have to keep heater on at least low speed. I have ran with this for over a year, works great. On normal driving I do not need to use the AC cooling fan (even in town), but when 4x, the AC cooling fan is needed. I have left my motor idling for half an hour w/o any overheating, but western Washington doesn't usually get hot.