Checking The Condition Of The Bulb Sockets; Checking The Leds - Yamaha YFM660FS Grizzly 4x4 Supplementary Service Manual

CHECKING THE BULBS AND BULB SOCKETS
CHECKING THE CONDITION OF THE BULB
SOCKETS
The following procedure applies to all of the
bulb sockets.
1.Check:
Bulb socket (for continuity)
G
(with the pocket tester)
No continuity → Replace.
Pocket tester:
P/N. YU-03112, 90890-03112
NOTE:
Check each bulb socket for continuity in the
same manner as described in the bulb section;
however, note the following.
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a.Install a good bulb into the bulb socket.
b.Connect the pocket tester probes to the
respective leads of the bulb socket.
c.Check the bulb socket for continuity. If any of
the readings indicate no continuity, replace
the bulb socket.
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CHECKING THE LEDs

The following procedure applies to all of the
LEDs.
1.Check:
LED (for proper operation)
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a.Disconnect the meter assembly coupler
(meter assembly side).
b.Connect two jumper leads from the battery
terminals to the respective coupler terminals
as shown.
WARNING
A wire that is used as a jumper lead must
G
have at least the same capacity of the bat-
tery lead, otherwise the jumper lead may
burn.
This check is likely to produce sparks,
G
therefore make sure that no flammable
gas or fluid is in the vicinity.
c.When the jumper leads are connected to the
terminals the respective LED should illuminate.
Does not light → Replace the meter assem-
bly.
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