E2 - turn signal switch; EZ - switch the alarm; E19 - Brake light switch; J2 - alarm relay; K6 - warning lamp alarm;
T4s - plug connection, 4-pin, for lining the switch on the steering column; T5b - plug-in connection, 5-pole, for lining the switch on the steering column; T7a - plug-in connection, 7-pin, for facing the steering column switch