KYMCO Grand Dink 250 Service Manual page 28

1
. GENERAL INFORMATION
FUEL GAUGE
1. Pointer does not register correctly (Ignition switch ON)
Inspection/Adjustment
Check battery circuit
by operating turn
signals
Remove fuel unit and
check operation of
pointer by moving
float up and down
Float up: Full
Float down: Empty
Check operation of
pointer by opening and
shorting fuel unit
terminal on wire
harness side
Check connectors for
proper connection
2. Pointer fluctuates or swings (Ignition switch ON)
Inspection/Adjustment
Check battery circuit
by operating turn
signals and horn
Remove fuel unit and
check operation of
pointer by moving
float up and down
Move float up and
down rapidly (1 round
/sec.) to check the
operation of pointer
Check connectors for
proper connection.
Symptom
Signals operate
properly
Pointer does not
move
Pointer does not
move
Good
Symptom
Signals operate
properly
Pointer moves
Pointer moves in
accordance with
float
Good
Signals dim, remain
on or don't
operate
Pointer moves
Pointer moves
Faulty
Signals dim,
remain
on or don't
operate
Pointer does not
move
Pointer does not
move in accord-
ance with float
Faulty
GRAND DINK 250
Probable Cause
ÅBurned out fuse
ÇWeak or dead battery
ÉFaulty ignition switch
ÑLoose or disconnected
connectors
ÖBroken wire harness
ÅFaulty float
ÅBroken or shorted fuel
unit wire
connector
ÅDisconnected
ÇIncorrectly connected
connector
ÉBroken or shorted wire in
fuel gauge
Probable Cause
ÅBurned out fuse
ÇWeak or dead battery
ÉFaulty ignition switch
ÑLoose or disconnected
connector
ÖBroken wire harness
ÅPoor contact in fuel unit
ÅInsufficient damping oil in
fuel gauge
ÅLoose or disconnected
connector
ÅBroken or shorted wire in
fuel gauge
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