I have been wanted to do this for a while and finding a place for the extra battery was a bit of a pain. We all know that there aren't many places that a 2nd battery can fit. This is where i found a place.
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[Linked Image]

I removed the cruise control parts and moved them forward attached to the new battery plate.
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I brought a blue sea systems fuse block mounted that behind the air box. You can see the battery placed in the back.
[Linked Image]
Here is the completed job on the one side, for the most part. Instead of a strap holding it down, i made a metal brace that holds the battery down that goes over the top of it. I went to the junk yard and scored all of the wiring there, great price.
[Linked Image]
This is the other side completed, where i have the dual battery isolator set up. I also have a switch inside the cab where i can jump the truck.


98 Montero, OME lift, Girvin Systems roof rack, Custom Discovery rear ladder 285/75/16 Mickey Thompson MTZ, Cepek DC-1 16x8