Question: LS3 fan control wire; power or ground?

11-19-2018, 12:14 PM

Gmachine1911 Gmachine1911 is offline

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Question: LS3 fan control wire; power or ground?

I’m looking at purchasing the Entropy fan controller but I do not want to run their secondary temperature sensor. On my LS3 crate engine with the GMPP harness, does the single blue fan wire send 12 V or a ground signal? I’m sure. this has been covered in depth already but after numerous searches, it is evading me. Thanks!

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