Thread: PWM cooling fan(s) control using ECM
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Old 02-19-2019, 03:52 PM
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Quote:
Originally Posted by stan65 View Post
Anyone know what PWM voltage the ECM is outputting? 5v, 12v?

Thinking I may tackle it as an arduino project as I have GMPP LT4 controller.

Stan
Stan,

It is PWM- so it is pulsing to ground.

Andrew
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