The OBD socket is just below the fusebox door (above the accelerator) - you need K-Line communication which is supported by all the new versions but normally people use 409.X which is the knocked off ebay versions! Thanks for that were do i get a k-line lead from
I have recently purchased a 2004 130bhp Galaxy sometimes the temperature gauge goes up to 90 when cold and then back to 0 and if you remove the key the rad fan runs !!!! Any ideas Thanks