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Demon Tweeks£80.40Visit shop Mishimoto Adjustable Fan Controller Kit - 1/8 Inch NPT
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This Mishimoto Adjustable Fan Controller Kit is designed for automotive enthusiasts looking to precisely manage their electric cooling fans. It offers the key benefit of allowing custom fan activation temperatures, preventing overheating and optimizing engine performance. A potential caveat is its requirement for a 12V fan system and a compatible 1/8" NPT port for the sensor. The kit enables users to set fan activation points between 61°C and 116°C, supports one to two electric fans (up to 25 amps combined), and includes a built-in A/C override for seamless integration.
| Model Part Number | MMFAN-CNTL-U18NPT |
|---|---|
| Brand | Mishimoto |
The controller allows you to set the fan activation temperature anywhere between 61°C (142°F) and 116°C (240°F).
Yes, this kit is designed to operate one or two electric fans, provided their combined amperage draw is 25 amps or less.
No, this kit specifically includes and is designed for use with a 1/8" NPT temperature sensor, which screws into compatible ports.
The A/C override ensures that your electric fan(s) will activate automatically when the air conditioning system is turned on, regardless of the coolant temperature, to improve A/C performance and prevent overheating.
The kit comes with approximately 7 feet of wiring.
While the controller itself operates on 12V, compatibility with diesel engines depends on their specific cooling system and fan voltage. It is primarily designed for 12V fan systems commonly found in gasoline engines. Ensure your diesel application uses a 12V fan and has a suitable 1/8" NPT port.
There is an adjustment dial on the controller unit. You can turn this dial to select your desired fan activation temperature within the specified range.
Check all wiring connections, ensuring they are secure and properly grounded. Verify the fan's amperage draw does not exceed 25 amps. Test the fan directly with a 12V source. Ensure the temperature sensor is properly seated and reading temperature.
Adjust the temperature setting on the controller. Ensure the temperature sensor is in good contact with the engine coolant or block and is not obstructed. Verify the ambient temperature is not affecting sensor readings.
Check the A/C override wiring. If it is incorrectly wired or shorted, it may keep the fan engaged. Ensure the temperature sensor is not faulty and is accurately reporting a high temperature.
Verify the unit is receiving a stable 12V power supply. Check for any loose connections to the power source. Ensure the unit itself is not physically damaged.
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