Radiator Fan Electrical Circuit

The electrical circuit of the radiator electric fan is very useful when our car has overheating problems.
With the help of the electrical circuit of the radiator fan we can quickly determine which element of the system is failing.
In a few words, the radiator fan circuit is made up of: 12V fan
High RPM Relay (Cooling Fan Relay High)
Coolin Fan Relay Low Relay
protection fuse
fan series resistance less than 1 ohm