I noticed that on my car a year a go. I thought that it was for a heated windscreen since thats where the switch is located on the Mondeo.
As far as the TC not working I think the switch has to be plugged in. since it isnt there is no completed circuit so it would'nt work. Maybe the bulb is pulled from the socket too. Someone who has pulled/pilling there dash could verify.
Would be nice to have if all we need is the swicth. Has anyone checked the fuses and relays if any for the TC? are they in place or pulled?
I looked in the manual for the TC fuses but there aren't any, probably intergrated into the ABS fuses and relays.
any thoughts?