E22 - the wiper switch; N - switch the alarm; J31 - relay windscreen glass; T4s - plug-in connection, 4 contact with the lining switch on the steering column;
T5s - plug-in connection, 5-pole, for lining the switch on the steering column; T7a - plug-in connection, 7-pin, for lining the switch on the steering column; V - wiper motor