TM 5-5420-202-20-1
DETAILED TROUBLESHOOTING PROCEDURE
VEHICLE OPERATION HULL POWER
(Continued)
Symptom-31.1
4
Check CKT 1A at voltage regulator for electrical
power.
Second Technician (Operator's Station)
Set MASTER BATTERY switch ON.
Set FUEL PUMP switch ON.
First Technician (Commander's Station)
Connect red probe of meter to "T" harness
socket A (+) and black probe to socket C (-).
Check if meter indicates 18 to 30 volts dc.
Does meter indicate 18 to 30 volts dc?
5
Check CKT 1A from connector
at voltage regulator to
connector at master control
panel.
NO
See step 59.
YES
Change 6
4-414.5
