Relay Box Relay Inspection; 4-Terminal Relay Check; 5-Terminal Relay Check - Honda GL1800 Service Manual

LIGHTS/METERS/SWITCHES
RELAY BOX
RELAY INSPECTION
Remove the relay blocks (page 20-12).
The fourteen 4-terminal relays are the same parts
and the six 5-terminal relays are the same parts.
Check the relay function by exchanging it with the
other good one.

4-TERMINAL RELAY CHECK

Check for continuity between the No. 1 and No. 2
terminals.
Connect the fully charged 12-V battery (+) terminal
to the relay No. 3 terminal and the (–) terminal to the
No. 4 terminal.
• There should be continuity while the battery is
connected.
• There should be no continuity when the battery
is disconnected.

5-TERMINAL RELAY CHECK

Check for continuity between the No. 1 and No. 2
terminals, and between No. 1 and No. 4 terminals.
Connect the fully charged 12-V battery (+) terminal
to the relay No. 3 terminal and the (–) terminal to the
No. 5 terminal.
• There should be continuity between the No. 1
and No. 2 terminals while the battery is
connected.
• There should be continuity between the No. 1
and No. 4 terminals when the battery is
disconnected.
20-16
LANK
4-TERMINAL
RELAYS
o. 1
o. 2
o. 3
o. 4
o. 2
o. 1
o. 5
o. 3
o. 4
5-TERMINAL
RELAYS