Common problem. Those little wipers you have noticed must not touch the pin on the tender. The pin is used for the other polarity, contacted by two more wipers below the 'eye' on the loco. Gently bend the little wipers to keep them away from the pin.
[Rant mode] Hornby have demonstrated with the Britannia that they know how to do better. How long before they standardise on the neat plug and socket for electrical connection and a realistic drawbar for coupling on all their models, and confine the dated monstrosity to their toy range? [/Rant mode]
[Rant mode] Hornby have demonstrated with the Britannia that they know how to do better. How long before they standardise on the neat plug and socket for electrical connection and a realistic drawbar for coupling on all their models, and confine the dated monstrosity to their toy range? [/Rant mode]