TM 5-5420-226-20-1
Symptom-39
DETAILED
TROUBLESHOOTING
PROCEDURE
r
INDICATOR
- GAGE
(Continued)
/
Check
FUEL TANKS
selector
switch
for continuity.
I
First
l
l
l
l
l
l
Technician
(Operator’s
Station)
Reconnect
fuel tanks selector
switch cable (CKT
28) to
FUEL
TANKS
LEVEL
indicator,
Connect
black
probe
of meter
to center
connector
of
FUEL
TANKS
selector
switch
(CKT
28).
Disconnect
either
CKT
30 or CKT
31 from
FUEL
TANKS
selector
switch.
Connect
red probe
of meter
to ‘gage instrument
panel
harness
connector
of circuit
disconnected
in
above
step.
Set FL’EL
TANKS
selector
switch
to circuit
being
checked
(L for CKT
30, R for CKT
3
1).
Check
if meter
indicates
continuity.
Does meter
indicate
continuity?
Replace
FUEL TANKS
selector
switch
(page
10-132).
/
CKT 31
‘ ,
0-
(JE2
+0
CKT 28
CKT 30
L FUEL TA
R FUEL TANK
‘
\Y
P
.
Replace
FUEL TANKS
LEVEL
indicator
(page
10-127).
.
Reconnect
CKT 28 and CKT 30
or CKT 31 connectors
to FUEL
TANKS
selector
switch.
,NK
TA107167
4-478
