Issues after battery jump

GMC Envoy 2003 6 L 450000 miles
I have no tail lights,license plate lights,etc.,no instrument panel lights,no radio or climate control,locks don’t work,windows won’t work. This occurred after my battery died n somebody tried to jumpstart with a battery pack...it did not work to start the truck either...sparks a couple times while trying...I rolled my windows up while they were using the battery pack and they rolled up really really fast...left vehicle alone for bout an hr and tried starting it and it started right up with no help, but with all above issues happening. Disconnect battery n reconnected,no change...have checked all fuses...cannot get a reading on two black relays for lock n unlock...I’m at a loss.
Help please! from United States a year ago  
HE
8 reports 
Justin from United States 10 months ago
Same exact problem RIGHT NOW! Plz tell me there’s a simple fix
Hadi from other 8 months ago
Almost the same problem
Benn from United States 6 months ago
Check your camshaft sensor! Mine went bad and the car would start and the engine would immediately cut off, then the rest of the car. It’s a little tricky to change but that fixed the issue.
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