Subaru XT 1988 Service Manual page 1326

6-3
WIRING DIAGRAM AND TROUBLESHOOTING
7} Low Fuel Indicator Light
Lamp will not light up
even with fuel below speci-
fied level.
See if fuse is blown.
Yes
Fuse is blown.
J
Replace.
I
J
No
Check with ignition switch
turned on.
Check operation of fuel
No
RY
lead between fuse
Repair harness between
gauge and temperature
and combination meter is
fuse and combination
gauge operates.
defective.
meter.
Yes
Remove fuel gauge unit
No
J
See if lamp bulb is broken.
l
No
Check and repair WY lead
connector. Ground WY
WY lead connecting meter
of 21-P harness or connec-
and fuel unit is defective.
lead to see if lamp lights.
Yes
tor (brown) connection.
VII
Faulty contact of fuel I Lamp bulb is broken.
I I
Replace lamp.
J
gauge unit
connector.
Thermistor is improperly
grounded.
Repair or replace fuel
gauge unit.
54