- D - ignition switch;
- E43 - mirror motor switch;
- E48 - mirror adjustment switch;
- T4 - 4-pin connector (black) behind the instrument panel;
- T26 - 26-pin connector (black) in the instrument panel housing;
- V17 - Driver's side mirror adjustment motor;
- V25 - Electric motor for adjusting the mirror on the passenger side;
- Z4 - heating element for outside mirror on driver's side;
- Z5 - heating element for outside mirror on passenger side;
- 32 - ground point at the rear left behind the instrument panel;
- E15 - Rear window heating switch;
- T10a - 10-pin connector (brown) behind the dashboard;
- T26 - 26-pin connector (black) in the instrument panel housing;
- Z1 - rear window heating element;
- 41 - ground point under the rear shelf;
- 81 - connection to ground in the instrument panel wiring harness;
- A2 - "positive" connection (15) in the instrument panel wiring harness
(The article is a reprint of material from «AudiManual.ru»)