just fitted mine with cd player n speakers didnt know where to fit them so i cut a big plastic box thing in half n cut hols in the end for the speakers n mounted the halfs of the boxes to the back of the rear bulkhead still want to fit 2 more speaks and a sub any of u know where i can fit them
oh yeah and it will be expencive to turn 12v dc into 24 v dc transforming dc is nigh on impossible but u could always just fit 2 12v batteries in series and just have yer lights comein off that