Pic. 7-39. Windshield wiper and washer connection diagram:
1 - windshield washer motor;
2 - windshield wiper motor;
3 - windshield wiper and washer switch;
4 - mounting block;
5 - ignition switch;
A - to power supplies;
K2 - windshield wiper relay;
K6 - additional relay.
I mode - intermittent, carried out in positions II and III of the switch lever 3. This mode is provided by an electronic relay K2 type 524.3747 or 523.3747 installed in the mounting block. This relay also includes the purifier gearmotor (low speed) when you turn on the windshield washer.
II mode - constant, with a low speed of movement of the brushes, is carried out in position IV of the switch lever 3. In this case, the supply voltage is supplied to the brush of the electric motor, which is in geometric neutral.
III mode - continuous, with a high speed of movement of the brushes. It takes place in position V of the switch lever 3. In this case, the supply voltage is applied to the brush, displaced from the geometric neutral.