TM 5-5420-202-20-1
DETAILED TROUBLESHOOTING PROCEDURE
VEHICLE OPERATION HULL POWER
(Continued)
Symptom-31.1
37
12468994
Check engine electrical harness (CKTs 533 and
534) from connector at engine disconnect to J1
on alternator.
First Technician (Top Deck)
Have powerplant removed (page 5-2).
First Technician (Powerplant)
Disconnect harness 12468994 from J1 of
Connect jumper wire from contact A (CKT 533)
of harness 12468994 to contact B (CKT 534).
Connect red probe of meter to socket C of
engine disconnect harness 12468994
connector and black probe to socket L.
Check if meter indicates continuity.
Does meter indicate continuity?
12468994
38
39
Replace engine electrical harness
Replace alternator (page 10-1).
12468994 (page 10-1).
Connect front accessory harness
Connect front accessory harness
12326539 connector (CKT 2) to
12326539 connector (CKT 2) to
bulkhead disconnect (page 10-
bulkhead disconnect (page 10-
269).
269).
Disconnect "T" harness from
Disconnect "T" harness from
harness 12326542 connector (1,
harness 12326542 connector (1,
1A, 532, 533, 534).
1A, 532, 533, 534).
Connect harness 12326542
Connect harness 12326542
connector (1, 1A, 532, 533, 534)
connector (1, 1A, 532, 533, 534)
to voltage regulator.
to voltage regulator.
Replace commander's floor plate
Replace commander's floor plate
YES
NO
(page 17-9).
(page 17-9).
4-414.20
Change 6