hi all ive fitted a trip computer and info button stalk to my focus and its in and working mpg etc but i cant find the wireing for the outside temp sensor i found a plug behind the drivers side headlight thats got some kind of resistor pack plugged into it but im not sure if thats it or not ?

can anyone help me ive had the lower grill off and had my hand up the back of the bumper but still cant find it just wonderd if its hidden away in the engine bay ?

cheers mark