1. Engine running hot. One of the first symptoms commonly associated with a bad or failing cooling fan relay is an engine that runs hot or overheats. If you notice that your engine is running at higher temperatures than normal, that may be a sign that the relay is not functioning properly. Bad Cooling Fan Relay Symptoms - In The Garage with CarParts.com. The cooling fan relay controls the fans that help cool an engine's radiator. Learn the symptoms of a bad relay in this article. FORD F150 RADIATOR FAN RELAY LOCATION REPLACEMENT F 150 OVERHEATING 2009 2010 2011 2012 2013 2014If you need to find the radiator fan relay, cooling fan rela #1 · Aug 24, 2009. Im completely stumped at this point after a week of diagnosing locating a radiator fan (large one) and installing it, both of them dont turn on now. A week ago I lost my AC, all I had was hot air comming out. I checked the forums and saw that my Radiator fan wasnt on when I turned on the AC. We demonstrated where the radiator fan relay, radiator fan not working relay, overheats relay is located on 2016 Ford F150 but it may be helpful on: 2015 Ford F150 F-150 radiator 1.5K. 239K views 2 years ago #fanswitch. This is a short video on how to locate, remove and test the radiator cooling fan switch on your vehicle. The cooling fan switch simply activates the .

radiator fan relay location