Mishimoto Adjustable Fan Controller Kit - Probe
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Product Information
Full details
This Mishimoto Adjustable Fan Controller Kit is for vehicle owners looking to precisely control their electric cooling fans. Its key benefit is the ability to customize fan activation temperatures for optimal engine cooling. A caveat is that it's designed for systems drawing 25 amps or less. This kit allows users to set and adjust the fan activation point on any engine with a 12V fan, featuring a wide adjustable temperature range and an integrated A/C override.
All features
| Model Part Number | MMFAN-CNTL-UPROBE |
|---|---|
| Brand | Mishimoto |
Extended Product Information
FAQs
What is the adjustable temperature range for the fan activation?
The fan activation temperature can be set anywhere from 61°C (142°F) to 116°C (240°F).
Can this controller be used with two electric fans?
Yes, it can operate one or two electric fans as long as their combined amperage draw is 25 amps or less.
What type of temperature sensor does it come with?
The kit is supplied with either a probe-style sensor or a 1/8" NPT temperature sensor.
Does this controller work with 24V systems?
No, this controller is designed specifically for 12V fan systems.
What is the length of the included wiring harness?
The kit includes 7 feet (2.134 metres) of wiring.
How is the A/C override feature activated?
The A/C override is a built-in feature that automatically activates the fans when the vehicle's air conditioning system is engaged, ensuring optimal cooling performance.
Do I need any special tools for installation?
Basic automotive wiring tools such as wire strippers, crimpers, and a multimeter are recommended for installation. Depending on the sensor type, you may need appropriate fittings.
Troubleshooting
Fans do not turn on at the set temperature.
Verify all wiring connections are secure and correctly made. Check the fuse and ensure the fan amperage draw is within the 25-amp limit. Test the fan directly with a 12V source to confirm it is operational.
Fans do not turn off.
Check the wiring to ensure there are no shorts or improper connections. Verify that the temperature has dropped below the set activation point. Ensure the A/C override is not stuck in an active state.
Inaccurate temperature readings.
Ensure the temperature sensor is properly installed and making good contact with the surface being measured. Check for any damage to the sensor or its wiring. Relocate the sensor if it is in an area with inconsistent airflow or heat.
Fans turn on/off erratically.
This could indicate a fluctuating temperature source or a loose sensor connection. Secure the sensor and ensure it is measuring a stable temperature. Consider the sensor's placement; it should be in an area with consistent airflow or fluid temperature.
Pros and Cons
Pros
- Precise control over fan activation temperature.
- Broad compatibility with most 12V electric fan setups.
- Integrated A/C override simplifies integration.
- Easy to set and adjust the desired temperature.
- Suitable for dual fan setups within the amperage limit.
Cons
- Limited to a maximum combined fan draw of 25 amps.
- Requires basic wiring knowledge for installation.
- Sensor placement can affect activation accuracy.
Setup, Compatibility & Care
Setup:
- Determine the ideal location for the temperature sensor (probe or NPT) to accurately read coolant or air temperature near the radiator.
- Connect the sensor to the controller.
- Wire the controller to the vehicle's 12V power source, ignition, and to the electric fan(s).
- Adjust the activation temperature using the integrated control mechanism.
Compatibility:
- Designed for 12V electric cooling fans.
- Suitable for applications where the combined fan amperage draw does not exceed 25 amps.
- Works with vehicles equipped with electric fans that have a dedicated power source.
Care:
- Keep the controller unit clean and free from excessive dirt and debris.
- Periodically check wiring connections for corrosion or looseness.
- Ensure the temperature sensor is properly seated and making good contact with the surface it's monitoring.