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Old 05-12-2018, 02:45 AM   #16
Kawijames
 
Drives: 2014 SS/RS
Join Date: Feb 2018
Location: Wisconsin
Posts: 13
My Silverado had a very similar issue, turned out to be a bad crimp on one if the ecm ground connections. Took a month of Sunday's to find it with an ohm meter.
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