Yamaha XV1600A1999 Service Manual page 424

Headlight
Tester positive probe !
yellow
Tester negative probe ! black
High beam indicator light
Tester positive probe ! yellow
Tester negative probe ! black
Meter assembly coupler (wire harness side)
S Set the main switch to "ON".
S Set the dimmer switch to "
S Measure the voltage (12 V) of yellow (green)
on the headlight coupler and yellow
2
the meter assembly coupler.
S Is the voltage within specification?
YES
or green
1 2
3
4
5
" or " ".
on
4
NO
The wiring circuit
from the main switch
to the headlight cou-
pler and meter as-
sembly couplers are
faulty and must be
repaired.
LIGHTING SYSTEM
EB805411
2. A meter light fails to come on.
1. Meter light bulb and socket
S Check the meter light bulb and socket for
continuity.
Refer to "CHECKING THE BULBS AND
BULB SOCKETS".
S Are the meter light bulb and socket OK?
YES
2. Voltage
S Connect the pocket tester (20 V) to the me-
ter assembly coupler (wire harness side) as
shown.
Tester positive probe ! blue
Tester negative probe ! black
S Set the main switch to "ON".
S Measure the voltage (12 V) of blue
meter assembly coupler (wire harness side).
S Is the voltage within specification?
YES
This circuit is OK?
7-34
ELEC
NO
Replace the meter
light bulb, socket or
both.
1
2
on the
1
NO
The wiring circuit
from the main switch
to the meter assem-
bly coupler is faulty
and must be re-
paired.
E