Yes barker are having problems fitting all equipment on because the passengers side has to be minimum stowage such as B.A, Hose, Branches etc. and on the drivers side one large locker is the Hydraulic tools, one locker is just the Generator which leaves one small locker for chocks etc. The small rear lockers where the flaked hose is meant to go has also been used for chocks.
That leaves Stokes, Spinal board and a whole lot of other small equipment without a home.
By the way i doubt the light on top would make a huge difference to weight as it wouldn't be that heavy, maybe 100kg or so.