SvmrMom-39
TM 5-5420-226-20-1
DETAILED
TROUBLESHOOTING
PROCEDURE
.
{
--
..
?
(Continued)
INDICATOR
- GAGE
Check
CKT 30 or CKT 31 at FUEL TANKS
selector
switch
for short to ground.
Second
Technician
(Right
or Left Top Deck Grille
Doors)
l
First
l
l
Remove
jumper
wire from rear accessory
harness
connector
at fuel tank
liquid quantity
transmitter.
Technician
(Operators
Station)
Connect
red probe of meter
to connector
of suspected
circuit
(CKT
30 or CKT
3 I ) at instrument
panel and
black
probe to ground.
Check
if meter
indicates
less than
infinite
resistance.
Does meter
indicate
less than infinite
resistance,
thereby
indicating
a short?
I
R
*
TO
)
VEHICLE
GROUND
CKT 31
CKT
30
FUEL
TANK
L FUEL
TANK
\
/
( )l Replacefuel tank liquid
quantity
transmitter
(page
7-128).
l Connect
gage instrument
panel harness connector
(CKT
30 or CKT 31) to FUEL TANKS
selector
switch.
.
TA10717O
4-481