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Old 03-19-2018, 08:54 PM   #2
robertsjm711
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Join Date: Jul 2017
Location: Lebanon, Oregon
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Re: PCM is not grounding fans properly

Does the case ground on these?
Maybe check resistance from the grounds and negative cable. Might be a bad connector or junction. If I remember there are more than one at the ecu.
Also, if you have another brand of relay you could try, it might help.
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