I have taken another look at that auxiliary battery compartment tonight, relocating the transfer box control module and wiring harness out of the way doesn't really look that difficult as long as you are willing to "waste" that plastic enclosure for the module (which doesn't seem like a big problem. On my 2006 Sport, the module has no enclosure, and would still be protected from the elements inside the plastic box.) I like Greg's relocation job, and I think running the cable through the firewall al the way to the rear of the car to install the twin 12v receptacles may actually be the more challenging than clearing the battery tray area... Definitely looks doable.