TM 5-5420-202-20-1
DETAILED TROUBLESHOOTING PROCEDURE
VEHICLE OPERATION HULL POWER
(Continued)
Symptom-31.1
FROM STEP 13
51
Check CKT 2 for continuity to alternator in
harness 12468996.
First Technician (Commander's Station)
Open left top deck grille doors to gain access
to engine disconnects.
Disconnect bulkhead engine disconnect
harness 12326539 connector from engine
disconnect.
Connect red probe of meter to socket B on
engine disconnect and black probe to socket F.
Check if meter indicates continuity.
Does meter indicate continuity?
52
Replace harness 12468996 (page
10-1).
Connect front accessory harness
12326539 connector (CKT 2) to
bulkhead disconnect (page 10-269).
12326539
Disconnect "T" harness from
53
Replace harness 12326539
harness 12326542 connector (1, 1A,
(page 10-1).
532, 533, 534).
YES
NO
Disconnect "T" harness from
Connect harness 12326542
harness 12326542 connector (1,
connector (1, 1A, 532, 533, 534) to
1A, 532, 533, 534).
voltage regulator.
Connect harness 12326542
Replace commander's floor plate
connector (1, 1A, 532, 533, 534)
(page 17-9).
to voltage regulator.
Replace commander's floor plate
(page 17-9).
Change 6
4-414.25
