Why does my radiator fan fuse keep blowing?
Blown fuse A blown cooling fan circuit fuse is another symptom of a potential problem with the cooling fan motors. If the motors fail or surge, they may cause the fuse to blow in order to protect the rest of the system from any sort of damage due to electrical surges.
Do radiator fans have a fuse?
If your car’s radiator fan is non-functional, check your car’s user manual and locate the fuse for the radiator fan controller or the fan. The fan itself often uses a big fuse of around 50A, while there might also be a separate small fuse to the fan control module.
What is a sub fan?
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Why does my fuse blows as soon as I put it in?
First, and most commonly, when too many lights or plug-in appliances draw power from the circuit, it can overload the capacity of the fuse and cause the metal ribbon inside the fuse to melt through. A mis-wired lamp, for example, can cause a short circuit and blown fuse if it is plugged into an outlet.
How can you tell if a radiator fan fuse is blown?
You can tell if the fuse is blown because the fan will not even attempt to turn or make any noise. If you ‘fling’ the blades with your hand, still nothing (sometimes that starts them when they are sticking). But if the fan makes a noise like it is trying to start then it isnt the fuse.
Why do radiator fans stop working?
Six things may prevent an electric cooling fan from coming on: Defective temperature switch, coolant sensor or other sensor. Engine thermostat is stuck OPEN (engine never gets hot enough to turn on the fan) Faulty fan relay.
How do you test a cooling fan?
Unplug the fan connector closest to the fan. Make up some jumper cables. Then connect them directly, from the battery to the fan motor, to see if it spins. Consequently, if it does not spin it is blown.
Why are the radiator fans not working on my Outback?
I have a 2006 2.5L Outback. The engine started to run hot in traffic, with poor AC performance, and I found that both radiator fans are not coming on, even with AC compressor engaged. Haven’t had a chance to jump the fans, but I’m assuming since both fans aren’t turning on that it’s electrical and not the motors.
Why does my Fuse for the radiator fan keep blowing?
BUT, if there is a short circuit before the fan, it will blow the fuse. Check the wiring is not chaffed or worn between fuse box and fan, or switch to fan. Unplug the radiator fan, replace the fuse and see if it blows again. If not, then its likely the radiator fan is shorted. Use an ohm meter and see what the resistance is.
Where are the fuses on a Subaru Outback?
Same if both fuses #22 and 26 are blown; fuse 22 and 26 are in the cabin fuse box to the left of the steering column. Fuses should be checked electrically for continuity (with a resistance meter) or just replaced with the same type and amperage; visual examination is not always reliable.
What are the fuses for the sub Fan?
Fuses 3 and 4 (or their equivalents) should be marked as cooling fan (main, sub) fuses in the Owners Manual (Specifications Section). Fuses 22 and 26 are not marked as radiator fan fuses in my Owners Manual; they are AC and Power Window respectively.