Rear Wiper/Washer Switch - Function - GF82.30-P-4105-01GH
The rear intermittent wipe function is started by placing the rear wiper/washer switch (S78) in the up position. The switching contact connects the input (c) to the All Activity Module (AAM, N10) to terminal 15 (a).
The rear wash function is started by placing the switch in the down position. Power is fed to the tailgate washer pump (M5/3) (b) from terminal 15 via the second switch contact and the AAM input (c) is simultaneously connected to terminal 15 via the resistor (R).
As of 1.9.2000:
When the rear intermittent wipe function is activated manually the LED built into the rear wiper/ washer switch (S78) will illuminate. LED illumination is controlled by the All Activity Module (AAM, N10) .