Gidday all,first time forum user,have read plenty and just generally nosed around them but never bothered joining until i came across this one .Have '07 STX which is a great vehicle to get around in (also have a BA GT Falcon) but i prefer to drive the Navara.Am going through the Simpson desert in July and need to upgrade a few things beforehand,thats how i came across this site.Any tips on dual battery systems would be much appreciated.