Ford Focus Engine Electric Plug

[Gd78]

I have just changed the clutch on my 2003 1.8 petrol Focus, and I have a plug that I cannot find the connection for. It is on the same part of the harness as the lambda sensor it is a 2 pin plug and the plug is red on the inside.

It's a bit embarrassing but I just can't find where it goes.

Thanks

[jeebowhite]

not all plugs are in use, some are there for other features that may or may not be added to cars as they are built. You would need a wiring diagram and when you find the colours it should tell you what it is.