Near side wing mirror cable?

[Robbob1]

Have to replace whole unit there is a cable/cord attached to the unit that's runs into the door what is this for ?

 

[david173]

Have to replace whole unit there is a cable/cord attached to the unit that's runs into the door what is this for ?

Electric mirror adjustment and/or heated glass i would presume?

 

[Deaky]

Mirror heating element
Mirror adjustment motors
Power folding motors
GPS antenna
DAB/FM antenna

depending on your fitted options

 

[JOG]

If you drop off your door card, you will find the connectors you need to disconnect when threading the cables back out.