Terminator X Tuning - Disable Key-On Fan Operation

A common complaint we see with Holley Terminator X users is in regard to the fan control. Holley's Basic I/O is setup with some basic operations for controlling 1 or 2 electric fans, with or without A/C. And while these fans are temperature activated, there is nothing in this Basic I/O that prevents the fans from kicking on as soon as you apply key on power to the car, even if the engine is off. In some cases, this can contribute to difficult hot starts and low battery voltage. Follow these easy steps to disable the basic I/O for fans, and use custom output(s) with triggers instead.

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