Sorry mate i wasn't trying to say you had connected it up, just that its not right like that.
Just one thing:
Originally Posted by dubs
this car has temp sender(green) in correct place
A green plug on a S1???? The green sensor is a knock sensor only found on S2's.
All series 1's had the yellow plug for the CTS to start with, its common to brake over time, and could of been repaced with a different colour plug......