Trailer predisposition connection
D73
includes all connections required for the tow hook socket (connector
to CUNA - UNI 9128 standards)).
Pin 4 of
D73
receives a supply directly
from the battery via the line for the specific fuse
B70
;
pin 7 is earthed.
Pins 5 and 6 receive signals for the turn
signals from electronic device
R2
of junction unit
B1
.
The signal for the turn signals reaches
pin 1 from Check device
M45
- pin 4 of connector C.
The signal for the fog lamps reaches pin21
from Check device
M45
- pin 3 of connector C.
The signal for the brake lights reaches
pin 3 from Check device
M45
- pin 5 of connector C.