The outside temperature indication in the central console on my 2007 307 1.6HDi has died. The display currently reads ---. A bit of searching on this forum indicates a common fault is the outside temperature sensor, which located in an outside mirror. Replacement parts appear to be pretty cheap (Peugeot 207 307 407 Outdoor Outside Temperature Sensor under door wing mirror | eBay, but is it an easy DIY job? How are the wires connected to the car side of the wiring loom?