How do I know if my cooling fan resistor is bad?
How do I know if my cooling fan resistor is bad?
Usually a bad cooling fan resistor will produce a few symptoms that can alert the driver of a potential problem that should be serviced.
- Engine overheats. One of the first symptoms of a potential problem with the cooling fan resistor is engine overheating.
- Cooling fan speed issues.
- Cooling fans never turn off.
What does a radiator fan resistor do?
The purpose of the cooling fan resistor is to remove heat from the engine’s coolant and from the A/C refrigerant. The resistor does this by drawing air through the radiator and air conditioning condenser.
How do I lower the fan speed on my radiator?
ifixit. The fan speed in many car heaters is controlled by putting a power resistor in series with the motor to slow it down. Mount the resistor, which is going to get very hot, in the air flow to keep it cool. A 60W, 0.6Ω resistor would be a good place to start.
How can I reduce the speed of my 12vdc fan?
Add a potentiometer in series with the power cable. This would allow you to change the speed quite easily. This is the simplest method but in terms of power quite wasteful because you lose power over the potentiometer. control the fan using pwm.
What kind of resistors are used in through holes?
Resistors are available in a large amount of different packages. Nowadays the most used are the rectangular surface mount resistors, but also the good old axial resistor is still used extensively in through hole designs.
What are the terminals and symbols of a resistor?
Symbol of Resistor. Each resistor has one connection and two terminals. We will look at the three types of symbols that are used to represent the resistor. The terminals of the resistor are each of the lines extending from the squiggle (or rectangle). Those are what connect to the rest of the circuit.
What kind of resistor is used in demodulator?
Resistor is defined as an electrical component which is used for controlling temperature and voltage. There are two types of resistors: linear resistor and non-linear resistor. Resistors are identified with the help of color codes. Resistor finds application in demodulator.
How is the size of a resistor related to its power?
The power rating of resistor is related to the size of axial resistor. A common half watt resistor measures around 9.2 mm across, while smaller ¼ Watt resistor is about 6.3 mm long.