Hi all i have removed the stalk, dismantled it and cleaned it, where the stalk plugs into there is white grease so i pushed a thin cloth into the shaft to clear it and apon pulling out it caught on the contacts in the shafts, made a twanging noise, looking into the shaft i can see 2 copper contacts sticking up and what looks like another 2 either side, the 2 sticking up are in the middle, on the stalk there is contacts for 4, can anyone confirm that on removing the stalk and looking into the hole only the middle 2 contacts can bee seen, put my mind at rest.