It is as simple as changing the battery cables.
You can buy and adaptor to connect the top post cables to a side post battery. Or you can simply replace the side post cables with top post cables.
You can buy an adapter to convert a side post to top post or visa versa.
It is a side post.
Top
Side post.
Top Post
Buy a new battery to start off with then you will have to either change the battery cables to sidepost type mounts or buy sidepost type mounts and install them on your old cables.
Two door has a top post, four door has a side post.Two door has a top post, four door has a side post.
Top
The General uses side post batteries, Dodge uses top post batteries.
original battery and cables were side terminal
Open the hood and look see.