Hi Dave thanks very much for your help but I have a problem. The colours on the plugs of my series 2 ptu don't match the ones on yours. The part number is different 2202097E00,bought it on ebay.Can you please tell me the how to wire it by quoting which colour wire from the loom go to PTU pins E1 to E6 and pin 1,2,3,G,4,5,6 of the other plug.Sorry for being a pain in the ass.:headvswal