Lozz actually has all the parts needed to do it forsale!
u replace ur mirrors with the electric 1's...
remove ur mirrors and bace plates and there is a white plug that comes out the door card...
fit ur old mirrors with the new electric motor and plug them in like so...
do this both sides and then under the hand brake here is a plastic coin older bit.. it pops out and under there is a black plug.. swop ur's for the 1 with mirro contols & hey presto... you have electric heater wing mirrors!!