210,208 views. How to Test Engine Electric Fan: Radiator Fan. Jorge E. Penagos P. RADIATOR COOLING FAN RELAY LOCATION AND REPLACEMENT FORD FOCUS MK3 2012 2013 2014 2015 2016 2017 2018In The interior fuse box (1) is located under the dashboard on the driver's side. The fuse label (2) is attached under the steering column. Advertisements. Passenger Compartment Relay Box. Relay Box. USB Adaptor Unit. Handsfreelink Control Unit. Tire Pressure Monitoring System (TPMS) Control Unit. Automatic Lighting Control Unit. 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. #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 AudiWorld Member. Thread Starter. Join Date: Mar 2002. Posts: 146. Likes: 0. Received 0 Likes on 0 Posts. Main Radiator Fan Relay. I am stumped. While doing the timing belt, I discovered that at some point prior to my ownership, the main electric radiator fan had been unplugged at its connector near the power steering reservoir. Under the Hood: In many vehicles, the radiator fan relay is located in the engine compartment, near the radiator. It is often housed in a relay box or mounted on the radiator support. Fuse Box: Some vehicles have the radiator fan relay integrated into the fuse box. #1 · Apr 19, 2014 (Edited) 2006 - 550i - N62TU - Overheats in heavy traffic - no coolant leaks - I believe the coolant fan is intermittent (possible bad relay) Coolant fan load relay location. What I can tell from the Bentley manual, it is located right side trunk (fan cutoff relay - only applicable as of 3/2007) h82xFi.