- It looks like a small bullet with two wires coming out of it.
Here are some tips on how to fix a radiator fan switch yourself:
1. Disconnect the negative battery cable.
2. Locate the radiator fan switch.
3. Use a wrench to loosen the radiator fan switch.
4. Remove the radiator fan switch and inspect it.
5. If the radiator fan switch is damaged, replace it with a new one.
6. Reconnect the negative battery cable.
7. Start the engine and check that the radiator fan is working properly.
> Note: If you are still having problems with your radiator fan, you may need to replace the radiator fan relay or the radiator fan motor.