crwdns2934241:0crwdne2934241:0 Michael Canup

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After a battery swap lost half of my electronics.

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I did a battery swap and half my electronics quit working. Driver  headlight, Passenger front blinker, Radio, AC, Passenger front & back door windows, back slide window, Sunroof, Doorlocks, No brake lights, I have a set of magnetic trailer lights pluged into my 4way trailer light plug because it still works All fuses are good. How can I  diagnose & fix the problem without going to GMC

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2014-Present GMC Sierra

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open