TM
5-5420-226-20-1
Symptom-39
DETAILED
TROUBLESHOOTING
PROCEDURE
.
INDICATOR
- GAGE
(Continued)
~CheCk
front accessory
harness
(CKT 30 or CKT 31) for
short to around.
Second
Technician
(Commander’s
Station)
l
First
l
Install
basket-indicator
panel
harness
connector
~t
basket
disconnect.
Technician
(Operator’s
Station)
Install
gage instrument
panel
(page
10-112).
Second
Technician
(Commander’s
Station)
l
Displace
front
accessory
harness
connector
(CKT
30,
31) at bulkhead
disconnects
(page
10-269).
l
Connect
red probe
of meter
to contact
of suspected
circuit
in front
accessories
harhess
connector
(M for
CKT
30, left tank;
or N for CKT
31, right
tank)
and
black
probe
to ground.
l
Check if meter
indicates
less than
infinite
resistance.
Does meter
indicate
less than infinite
resistance,
I
thereby
indicating
a short?
‘*
l
l
Inspect
rear accessory
harness
for bent/broken
connector
contacts
or loose
CKT 30 or CKT 31 wire at rear
of connectors.
Repair connectors
if defective
(page
10-298).
If connectors
are not
defective,
notify
support
maintenance
of a defective
rear accessory
to bulkhead
harness.
//
FOR CLARITY
QUADRANT
ASSEMBLIES
NOT SHOWN
r
l
l
l
l
Inspect
front accessory
harness
for bent/broken
connector
contacts
or loose
CKT 30 or CKT 31 wire at rear
of connectors.
Repair connectors
if defective
(page
10-298).
If connectors
are not
defective,
notify
support
maintenance
of a defective
front accessory
harness.
Connect
rear accessory
harness
connector
(CKT 30 or
31) to fuel tank liquid quantity
transmitter.
1
CKT
I
1
BASKET
E
BULKHEAD
DISCONNECT
F
DISCONNECT
CONTACT
TA107173
.
4-484
