Originally Posted by
liamford
i think the 2 stage switch turns one fan on at one temp, then kicks the other fan at a higher temp, there are probably 2 positive wires going to the rad switch (im thinking) and then to a relay...., some one told me the rad relay is the big green one behind the battery? i shall have a look tomorrow anyway

No, both fans run at low, and high speed. Low speed starts at 96 degree and full speed at 99 degree. The green rele is fore fans yes.