Electrical Refurbishment – Refit and rewiring of electrical components for the GNER MkIV Mallard coach fleet, this included items such as Wheel-slip probes, 13-pin Universal Connectors, ETH/ETS Jumper cables, plugs and connectors, 3-Phase Transformers, Jumper Cables, Wiring Harnesses, Vestibule Lighting, Door Sensors, 240v sockets, conduit/cable tray etc. along with other Vehicle Modifications. The work also involved mechanical repairs, such as drilling out and re-tapping threads and failed bolts