Trinity Fan Controller V2.1

(2 customer reviews)


A Universal 3 channel Automotive Fan Controller in the palm of your hand!

SKU: TFC-v2.1 Categories: ,


5/28/20 UPDATE: Screen stock has been difficult to find lately due to suppliers being closed. Currently I have everything except Yellow-Green, but I may be able to source them as time goes on.

May I present to you the Trinity Fan Controller V2! This digital programmable triple automotive fan controller is designed to be the most customizable and versatile on the market.

The TFC is a 3 channel Relay Controller with Temperature and Air Conditioner inputs, and includes a display for in vehicle monitoring and adjustment. An included wiring adapter and 10′ cable is provided to remotely wire all of the systems in the engine bay for a clean install. With smart control modes and a plethora of settings, you can fine tune your electric fan setup to get the perfect engine temperature in any conditions!

Demo video here:

Quick Start Manual:


– Control up to 3 different relay channels

– Customizable A/C Input trigger

– Use included temp probe or custom sensors* (requires calibration)

– Multipurpose line for reading a 2nd probe or running the unit with the engine off

– Easily adjust settings in vehicle, no computer needed

– Auto-dimming display for day and night use

– Monitor current Temperature or Battery Voltage

– Manual Modes included for direct fan control

– Ch 1 Manual override switch included for emergency situations

– Open Source and Arduino compatible for USB updating and modding!

In The Box:

– TFC V2 Unit

– Remote Wiring Adapter

– 10ft Ethernet Cord

– Temperature Probe

– Velcro Mount

– Quick Start Guide

TIP: Metric temp probe to 1/8″ NPT Brass adapter: DYNAPEX – gbp2m_02zm_m8x13f

Notice: These units are custom built and may take up to 1 Week to ship.

You can reach me on Facebook or by Email if you have any questions!

Additional information

Weight 12 oz
Dimensions 7 × 4 × 4 in

3D Printed ABS

2 reviews for Trinity Fan Controller V2.1

  1. James T (verified owner)

    Best thing out there!

  2. Brad (verified owner)

    I have been running it for a while now and it has served me very well. The only flaw i found was in the dead of winter when it was – 20 C, I got an error code for about 3 seconds then it figured itself out. It has proven to be a robust design! Simple to install.

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