Position Light Relay System Inspection - Honda GL1800 Service Manual

POSITION LIGHT RELAY
SYSTEM INSPECTION
• The position light relay is same part as the
5-terminal relays in the relay box.
Remove the front fairing (page 2-10).
Remove the position light relay.
Check the following at the wire harness side 5P
connector.
1. Turn the ignition switch to "ON."
Measure the voltage between the White/green
wire terminal (+) of the wire harness side 5P con-
nector and ground (–).
There should be battery voltage.
• If there is battery voltage, go to step 2.
• If there is no voltage, check the following:
– HORN TURN relay
– open circuit in the White/green wire
2. Measure the voltage between the Light blue/
white wire terminal (+) and ground (–).
There should be battery voltage and no voltage
when the turn signal switch is pushed to "
• If the measurements are normal, go to step 3.
• If there is no voltage, check the following:
– faulty turn signal switch
– open circuit in the Light blue/white wire
3. Measure the voltage between the Orange/white
wire terminal (+) and ground (–).
There should be battery voltage and no voltage
when the turn signal switch is pushed to "
• If the measurements are normal, go to step 4.
• If there is no voltage, check the following:
– faulty turn signal switch
– open circuit in the Orange/white wire
4. Turn the ignition switch to "OFF" and disconnect
the turn signal diode 3P connector.
Check the Blue/white wire for continuity between
the position light relay and turn signal diode
connectors.
There should be continuity.
LIGHTS/METERS/SWITCHES
OSITION LIGHT RELAY
TURN SIGNAL DIODE CONNECTOR
OSITION LIGHT RELAY
CONNECTOR
Light blue/white
."
White/green
."
Blue/white
Orange/white
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