Rotating headlight switch for head lighting
E1 - Light switch;
EX1 - Rotary headlight switch;
E23 - Front and rear fog light switch;
J519 - On-board power supply control unit;
L9 - Backlight switch;
T10h - 10-pin connector;
T73a - 73-pin connector;
T73c 73-pin connector;
279 - Ground connection 5, in interior wiring harness
(Information taken from this resource: SKODABOOK)
* Special equipment