Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Help - Recreating Fan Wiring Diagram Using Derale Controller & GM Stock System
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Old 06-29-2012, 07:43 AM
hemi43 hemi43 is offline

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Would grounding that wire give a false signal to the ECM ?? What I mean is that the ECM may see the the - input as a short, and put up a code.
Just my 2 cents
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