HIGH-BEAM /LOW-BEAM LIGHTS LINE
1) Check that bulbs operate properly.
2) Check fuses No. 1 and 4.
3) Check key switch contacts.
4) Check if there is voltage between the Grey cable (30) of the headlight remote control and the ground
connection. If there is not, check cable harnesses.
5) With the key switch set to «ON» and the engine running, check if there is voltage between the Grey
cable (87) of the headlight remote control and the ground connection. If there is not, check cable har-
nesses.
6) Check that the White-Black cable connecting the headlight remote control switch and the control unit
(pin 19) is not interrupted.
7) Check the headlight remote control switch.
8) Check that the continuity between the Grey cable of the light switch and the headlight remote control
is not interrupted.
9) Check the light switch contacts.
10) Check that the cable harnesses of the bulbs and their ground connection are not interrupted.
Fuses
The electrical system is equipped with:
1. four protection fuses «A» that can be reached
by removing the shield front cover.
2. two fuses «B», located in the battery compart-
ment.
The chart shows the position and specifications of
the fuses in the vehicle.
CAUTION
BEFORE REPLACING A BLOWN FUSE, FIND AND SOLVE
THE FAILURE THAT CAUSED IT TO BLOW. NEVER TRY
TO REPLACE THE FUSE WITH ANY OTHER MATERIAL
(E.G., A PIECE OF ELECTRIC WIRE).
CAUTION
MODIFICATIONS OR REPAIRS TO THE ELECTRICAL SYS-
TEM, PERFORMED INCORRECTLY OR WITHOUT STRICT
ATTENTION TO THE TECHNICAL SPECIFICATIONS OF
THE SYSTEM CAN CAUSE MALFUNCTIONING AND RISK
OF FIRE.
Electrical system Vespa LX 125 - 150 i.e.
ELE SYS - 78
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