Solid State box has now been removed with a little bit of rewiring to retain the use of the flouro lights. Haven't removed the wiring loom - too scary for me - so have bundled the wires together, sealed them into an old icecream container that has been sprayed matt black, and zip tied the box to the inside of the seat base. Nice and tidy, almost invisible, and leaves me with useful space under the seat. Before lobbing the solid state box, I removed all the fuses which I recon may come handy. Ta da!