GMT 900 Trucks General Discussion 2007 - 2013 Trucks | General Discussion

GM Alternator regulated charging control?

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Old Nov 9, 2011 | 07:58 PM
  #11  
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It is the black module around the negative battery cable right beside the battery. Unplug the electrical connector and you are good to go.
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Old Nov 10, 2011 | 12:04 AM
  #12  
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Doesn't the Check Engine light or some other warning come on when you unplug that?
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Old Nov 10, 2011 | 09:24 PM
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Nope been unplugged for a month only adverse effect is im not saving .00000007 MPG for the smog ****'s cause my damm alternator is actually doing it's job.
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