The headlamp washer
J50
is supplied (pin 30) by the direct
line from the battery through the headlamp washer fuse
B12
and
the maxifuse
J/B2
of
B5
up to 2/99 or of
B99
from
2/99.
If the windscreen washer switch is operated,
stalk switch H5 sends two signals to the windscreen wiper motor
N15
;
one of these reaches headlamp washer timer
J50
(pin S): it
is the power source for the ignition-operated line (INT/A) of relay
R1 protected by fuse
F14
. (
See E3020 WINDSCREEN WASH/WIPE
).
With the side lights on, a signal reaches
pin 56 of
J50
from the steering column switch unit
H5
line.
(
See E2010 SIDE LIGHTS / NO. PLATE LIGHTS
).
When there are both signals at pins S and
56, the relay, inside the device
J50
which supplies the electric
headlamp washer pump
N25
with impulses of about half a second,
is energized for a certain time.