Headlight Adjuster Replacement; Headlight Adjusting Switch System Inspection - Honda GL1800 Service Manual

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LIGHTS/METERS/SWITCHES
5. Connect the voltmeter between the Light green
wire terminal (+) and ground (–).
Check that the voltage varies with the headlight
adjusting switch position while operating the
switch.
STANDARD: 1.2—10.8 V
• If the voltage is normal, replace the headlight
adjuster (page 20-9).
• If the voltage is abnormal, check for:
– open or short circuit in the Light green wire
– headlight
REPLACEMENT
Remove the inner fairing (page 2-10).
Disconnect
connector.
Right
clockwise.
Left headlight adjuster: Turn the adjuster counter-
clockwise.
Turn the adjusting bolt counterclockwise and
remove the headlight adjuster from the headlight.
Install the headlight adjuster in the reverse order of
removal.
Adjust the headlight beam (page 3-19).
HEADLIGHT ADJUSTING SWITCH
SYSTEM INSPECTION
1. Turn the ignition switch to "OFF."
Remove the left fairing pocket (page 2-11).
Disconnect the left panel switch assembly 14P
gray connector and check for loose contacts or
corroded terminals.
2. Measure the resistance between the Yellow/red
and Blue/green wire terminals of the switch side
connector.
STANDARD: 4.0—6.0 kΩ
• If the resistance is normal, go to step 3.
• If the resistance is abnormal, replace the
panel switch assembly (page 20-32).
20-10
between the headlight adjuster and adjust-
ing switch
adjusting
(page 20-9)
the
headlight
adjuster
headlight
adjuster:
Turn
(viewed from the terminal side)
switch
system
3P
gray
EADLIG T
ADJUSTER
the
adjuster
ADJUSTING BOLT
Light green
EADLIG T ADJUSTER CONNECTOR
3P GRAY CONNECTOR
ANEL SWITCH CONNECTOR
WITCH IDE CONNECTOR
(viewed from the terminal side)
Blue/green
Yellow/red

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