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2. Voltage
SConnect the pocket tester (DC 20 V) to the
tail/brake light coupler (wire harness side) as
shown.
Tester positive probe ! blue/red
Tester negative probe ! black
1
2
YES
The wiring circuit
from the main switch
to the tail/brake light
coupler is faulty and
must be repaired.
NO
This circuit is OK.
SSet the main switch to “ON”.
SSet the light switch to “ ” or “ ”.
SMeasure the voltage (12 V) of blue/red on
the tail/brake light coupler (wire harness
side).
SIs the voltage within specification?
1
Replace the auxiliary
light bulb, socket or
both.
NO
EB805413
4. The auxiliary light fails to come on. (for Eu-
rope)
1. Auxiliary light bulb and socket
SCheck the auxiliary light bulb and socket for
continuity.
Refer to “CHECKING THE BULBS AND
BULB SOCKETS”.
SAre the auxiliary light bulb and socket OK?
YES
2. Voltage
SConnect the pocket tester (DC 20 V) to the
auxiliary light couplers (wire harness side) as
shown.
Tester positive probe ! blue/red
Tester negative probe ! black
1
2
YES
The wiring circuit
from the main switch
to the auxiliary light
connectors is faulty
and must be re-
paired.
NO
This circuit is OK.
SSet the main switch to “ON”.
SSet the light switch to “ ” or “ ”.
SMeasure the voltage (12 V) of blue/red on
the auxiliary light couplers (wire harness
side).
SIs the voltage within specification?
1
L/R
LIGHTING SYSTEM
ELEC