.
TM 5-5420-226-20-1
Symptom-31
DETAILED
TROUBLESHOOTING
PROCEDURE
T
VEHICLE
OPERATION
- HULL POWER
(Continued)
Check hull power harness (CKT 5) at voltage regulator
for electrical power.
First
l
l
l
Technician (Commander’s
Station)
Disconnect hull power harness connector (CKT 5) from
voltage regulator.
;et multimeter to measure 18 to 30 volts dc, or use STE/
ICE Test No. 89 (page 4-8 1).
Connect red probe of meter to contact A of hull power
harness connector
and black probe to ground,
Second Technician
(Operator’s Station)
l Set MASTER BATTERY switch ON.
First Technician
(Commander’s
Station)
l Check if meter indicates 18 to 30 volts dc
Does meter indicate 18 to 30 volts dc?
l Inspect HULL POWER harness
l
l
l
l
for bent/broken
connector
contact
or loose CKT 5 wire at
rear of connector.
Repair connector
if defective
(page 10-298).
If connector
is not defective,
notify support
maintenance
of
a defective
hull power
harness.
Connect
huli power harness
connector
to voltage
regulator.
Instali fioor
access cover
(page 17-9).
TO VEHICLE
GROUND
II
w
Replace voitage
regulator
(page 10-18).
/
TA107O86
4-397
