just checked with Autoleads and the PC9-500 that they were developing didnt work. so they made a new lead inventively titled PC9-501 this controls the display and the stalk controls, is available to buy and is in stock! it retails for roughly £50 not sure if theyll supply direct to you you can try, 0800 7839125, if they wont supply any halfords can order it in for you!
Justin