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SDoes the headlight relay (on/off) have conti-
nuity between red/yellow and black/blue?
NO
YES
Replace the head-
light relay (on/off).
Positive tester probe ! red/yellow
Negative tester probe ! black/blue
1
2
3
4
5. Headlight relay (on/off)
SDisconnect the headlight relay (on/off) from
the coupler.
SConnect the pocket tester (Ω 1) and bat-
tery (12 V) to the headlight relay (on/off)
coupler as shown.
Positive battery lead ! blue/black
Negative battery lead ! yellow/white
6. Headlight relay (dimmer)
SDisconnect the headlight relay (dimmer)
from the coupler.
SConnect the pocket tester (Ω 1) and bat-
tery (12 V) to the headlight relay (dimmer)
coupler as shown.
SDoes the headlight relay (dimmer) have
continuity?
NO
YES
Replace the head-
light relay (dimmer).
1
2
High beam
Positive battery lead ! yellow
Negative battery lead ! black
Positive tester probe ! black/blue
Negative tester probe ! black/yellow
3
4
EAS00787
YES NO
7. Wiring
SCheck the entire lighting system’s wiring.
Refer to “CIRCUIT DIAGRAM”.
SIs the lighting system’s wiring properly con-
nected and without defects?
Properly connect or
repair the lighting
system’s wiring.
Check the condition
of each of the lighting
system’s circuits.
Refer to “CHECK-
ING THE LIGHTING
SYSTEM”.
LIGHTING SYSTEM
ELEC