TM 5-5420-202-20-1
DETAILED TROUBLESHOOTING PROCEDURE
VEHICLE OPERATION HULL POWER
(Continued)
Symptom-31.1
18
Check CKT 1 from voltage regulator to alternator
for 100 to 200 ohms.
First Technician (Commander's Station)
Set multimeter to resistance scale.
Connect red probe of meter to "T" harness
socket E and black probe of to ground.
Check if meter shows 100 to 200 ohms.
Does meter show 100 to 200 ohms?
19
Check CKT 1 for continuity in
NO
harnesses 12326542, 12326538
and 12468994.
See step 43.
YES
20
Check CKT 534 from voltage regulator to
alternator for 100 to 200 ohms.
First Technician (Commander's Station)
Connect red probe of meter to "T" harness
socket B and black probe to ground.
Check if meter shows 100 to 200 ohms.
Does meter show 100 to 200 ohms?
21
Check CKT 534 for continuity in
harnesses 12326542, 12326538
NO
and 12468994.
See step 35.
YES
4-414.12
Change 6