No crank-electrical?

[MT1]

2020 Rubicon wouldn’t start. No crank at all. Changed main battery and auxiliary battery. All lights work, radio, a/c, etc.
Still no crank. Had to run out for 4 hours. Came back and battery was weak. Opened the door, lights flickered, nothing else worked and then I quickly lost all power. C
Jumped the battery and everything worked again instantly. Still no crank of course.
Any ideas of what my next step should be?

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[alphawolff]

blown z-case fuse?

 

[MT1]

Checked it already. I’m stumped.

 

[Pyrite]

Bing Videos

 

[denis133]

Any chance the new battery is toast or starter.

 

[mwilk012]

Something is wrong with your battery install.

Did you pull the PDC?

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