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New battery and new alternator truck dies after ten minutes

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2018 Chevy Silverado was installing new battery and before I noticed I terminal post were opposite from old battery and Crossed terminal wires battery sparked and horn blew reinstalled battery exchanged for a new battery truck started after about and hour truck would not start had to give it a boost installed 2nd new  alternator truck truck started up ran ten minutes and cut off 


Checked fuse and one ten and one 15 amp were bad replaced fuse and they blew out did not check fuse block on top of battery could this be the problem help please



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