TM 5-5420-226-20-1
Symptom-27
DETAILED
TROUBLESHOOTING
PROCEDURE
FROM STEP
VEHICLE
OPERATION
- HULL POWER
Q
4
(Continued)
I
1
/Check hull power harness (CKT 10) for continuity,
Second Technician
(Operator’s
Station)
l
First
l
l
l
l
Set MASTER
BATTERY
switch OFF.
Technician
(Commander’s
Station)
Set multimeter
to OHMS X 1 scale and zero meter
or use STE/ICE
Test No. 91 (page 4-83).
Disconnect
hull power harness connector
(CKT
10)
from basket disconnect.
Connect red probe of meter to contact
B (CKT
10)
of hull power harness connector
at basket
disconnect.
Connect black probe of meter to center contact
of
hull power harness connector
(CKT 81-5) at master
relay.
Check if meter indicatm continuity,
Does meter indicate continuity?
I
r l Inspect hull power harness for
bent/broken
connector
contacts
or loose CKT 10 wire
at rear of connectors.
l Repair connectors if defective
- (page 10-298).
l
l
If
connectors
are
not
defective,
notify
support
maintenance
of
a defective
hull power harness.
Connect
hull power harness
connector
to basket disconnect
and master relay.
Install floor access cover
(page 17-9).
o
NO
10
-
\
-@
Q$f
@ ‘y:
c-.,
...
.-
\
“,,
,,,
‘m!. ‘“””’
.
0
I
!
z
—. -..
.
.,
“1
.,
FOR CLARITY
QUADRANT
ASSEMBLIES
NOT SHOWN
(CKT 10)
~
“
r----l
CKT
l
4-380
. ..——
