Where is the cooling fan switch located?
The cooling fan switch should be located near the thermostat housing on the left side of the engine, behind the distributor assembly.
How do you test a Thermo fan switch?
Turn on the burner and slowly increase the water temperature. The ohmeter should be turned on and have a reading of high resistance. When the water reaches between 180 to 220 degrees Fahrenheit, the switch should turn on and the resistance seen by the ohmmeter should change to zero.
Should radiator fan turn on and off?
Your radiator fan should kick in at about 200 degrees Fahrenheit. If you notice your vehicle is overheating or at the very least running hotter than it normally does, listen for the fan to see if you can hear it.
How do I know if my radiator fan relay is bad?
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.
Do you need to know where the radiator fan switch is?
If you are encountering problems with the cooling system of your car, one possibility for it is a broken radiator fan switch. To repair or replace it, you need to know where it is located in the car. You can follow the steps below to find the radiator fan switch, however, it is important to remember that not all cars are designed the same.
Why is my radiator fan not working on my Honda Civic?
Figure 1. 1999 Civic under-hood fuse box with location of fan relay (circled in red). Another easy way you can check if the radiator fan switch relay is bad is to swap the radiator fan relay with the condenser fan relay. If the radiator fan begins working, this is an indication that the fan relay is bad.
How can I tell if my radiator fan relay is bad?
Another easy way you can check if the radiator fan switch relay is bad is to swap the radiator fan relay with the condenser fan relay. If the radiator fan begins working, this is an indication that the fan relay is bad. If the fan switch relay is giving off the appropriate readings and is in working condition, move on to the next step.
How do you turn on a fan on a thermostat?
You see the switch in the thermostat housing. You can briefly check if that is the issue. by removing the plug from the switch. Take a paperclip and insert one end of the paperclip in each one of the contacts. This should close the circuit and turn the fan on. Good Luck Was this answer helpful? Thanks to you both for you input.