OK I cant think of a non confusing way to describe this cause in my head it was so easy and straight forward but nobody else has ever understood it
ok if you look at the stock pic, thats how late vits are setup from standard, from the positive battery terminal there is a fat cable and a skinny one, the fat one travels along the firewall and down to the starter, it supplies the high current needed to work the starter when cranking, the alternator is also connected to this cable to facilitate charging the battery
the skinny cable goes to the fuse box to supply the ignition switch, lights, other fuse box and so on, so the rest of the car
so step one is to remove the battery from that side and mount it on the drivers side, I wont go into mounting options cause you have that covered
so now we need to wire the battery in so it supplies the starter and car, to do that we run a fat red cable from the pos terminal down to where our factory cable connects to the starter and a fat black cable to the block to earth it, at teh same time we just want to tape up the old positive battery terminal on the pass side cause it will be live now
so what we have now is a vitara that the power runs from the battery on the drivers side down to the starter terminal for the starter to operate, the power then runs on from the starter terminal along the factory fat starter wire on the firewall to the factory battery terminal (taped up) to the fusebox and onto the car.
If we had left a battery hooked up in the stock spot we would have two batteries supplying the whole car but both would flatten together so we need to isolate the auxillary
remember how I said the solenoid works? you run a fat cable between the 2 batteries with the solenoid in between and when the ignition is on they join to charge and when the ignition is off they seperate so they dont run down together
so we put our aux battery in the passenger side and we need to charge it via the isolator, turns out we have a nice fat wire from the main battery already there in the form of the stock cable so we can with a bit of tin snip work cut the old battery terminal down to a lug so it attaches to one side of the solenoid, then we just run another fat cable from the other solenoid terminal to the auxillary battery positive and the ignition wire to the little terminal and its all done and will look a bit like the modified pic
then its just a matter of moving the auxillary power wires over and so on
this will let you use a massive aux battery, I have a HGL120A fullriver battery which rubs on the inner guard, the air intake and bonnet so is a bit too big but you will get a 90 amp fullriver in easy, much better than some little thing on the other side that will go flat overnight running a fridge
if that doesnt make sense post up where you get stuck and I will try to explain
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