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Electrical issues 2007-2013 Sierra 1500


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I was experiencing a common electrical issue with my 2007 Sierra 1500 Denali.  Intermittently all electrical would short out and all dashboard electrical would flash and navigation/radio would turn off then on.  Also, truck would occasional not start.  No power, completely dead.  I would wiggle battery cable connection and truck would start right up.  I had a mechanic re-solder a new battery connection on positive cable and no issuers for last 20K miles.  Hope this helps someone.

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