The enginebay junction unit is supplied directly by battery control unit B099, at connector F, pin 1.This power supply flows through internal fuse F08 and reaches relay T08. Relay coil T08 is earthed - from pin 26 connector C - and supplied with key on - from pin 11 connector C. The ignition-operated supply comes from under-facia junction unit B002 - pin 1 connector A -, protected by fuse F31, located in the control unit. When relay T08 is excited, power goes to wiper motor N015 - pin 3 - and stalk unit H005 - pin 2 connector -. Power reaches the stalk unit from underfacia junction unit B002, protected by fuse F43, housed in the control unit.According to the function selected, stalk unit H005 - connector A - sends the following control signals to the electronic device inside wiper motor N015:
from pin 5 for operation at first speed;
from pin 4 for operation at second speed;
from pin 2 for zeroing.
Stalk unit H005 takes earth signal C015 from connector C pin 5 and supplies washer motor N020 from pin 1 of connector A.