TM 5-5420-226-20-1
DETAILED
TROUBLESHOOTING
PROCEDURE
SvmtMom-27
VEHICLE
OPERATION
- HULL POWER
(Continued)
Check for electrical power at input to MASTER RELAY
I
Second Technician (Operator’s Station)
l Set MASTER BATTERY switch OFF.
r
WARNING
—
After disconnecting
ground straps,
do not allow them to contact any
metal surface.
1
Second Technician (Front of Crew Compartment)
l Disconnect three battery ground straps (page 10-268),
First Technician (Commander’s
Station)
l Connect hull power harness connector to master relay.
l Disconnect battery cable connector (CKT 81) from
master relay.
l Connect red probe of meter to center contact of battery
cable connector (CKT 81) and black probe to ground.
Second Technician (Front of Crew Compartment)
l Connect three battery ground straps (page 10-268).
E
/4
w
*
\
<uA/
OUTPUT
CONNECTOR
(CKT 81-5)
4-374
.“
TA107O63
.
