The radionavigator
P20
is supplied
directly (pin 4 of connector A) by the battery via the line for
fuse
F10
of the junction unit
B1
and the maxifuse
J/B1 of
B99
.
It receives a supply when the ignition is
switched on (INT) (pin 7 of connector A) via the line for fuse
F1
of
the junction unit
B1
.
With the side lights switched on, the supply
reaches pin 6 of connector A by means of the line coming from the
switch for the steering column switch unit
H5
, protected
by the controls illumination fuse
F1
of the additional fuse
box
B98
; the radionavigator controls are therefore lit up
when the lide lights are switched on.
Pin 8 of connector A, on the other hand,
is earthed (
C20
).
Pin 1 receives a speedometer signal from
instrument
E10
.
Pin 3 receives a reverse engaged signal
from switch
I20 See E2022 REVERSING LIGHTS
.
The GSM BOX interface electronic device
P131
is
supplied directly (pin 11); it receives a supply directly from the
battery via the line for fuse
F10
of the junction unit
B1
and
the maxifuse J/B1 of
B99
; it also receives a supply controlled by
the ignition (INT) (pin 10) via the line for fuse
F1
of the
junction unit
B1
.
Pins 9 and 18 are connected to the microphone
P26 by means of a suitably screened cable;
pins 16, 7 and
4 (outputs to the speakers) are connected to the radionavigator
P20
,
connector D, whilst pins 8 and 17 are connected to the connector
P20
F
(CAN communication network between GSM BOX and radio).