power loss

So I have been dealing with intermittent power loses when I would turn off my car. There would be I spark sort-of sound and then no power. Knowing that the battery was in the trunk I opened it and upon trying to get the stuff out of the trunk to get to the battery I happened to hit the floor...

Just hit 102k in my 2011 4.8... Love the car but since replacing my battery I have had issues where when I attempt to start my car....foot on brake, push button...I get a click and all power is lost...completely. I then open back door, open hatch to trunk area, grab the stick I left inside the...