TM-5-5420-202-20-1

M60A1 CHASSIS, TRANSPORTING; FOR BRIDGE, ARMORED-VEHICLE-LAUNCHED; SCISSORING TYPE, CLASS 60

TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE MANUAL; VOLUME 1 OF 4

OCTOBER 1985

TM-5-5420-202-20-1 - Page 633 of 1020

4-414.12

Change 6

TM 5-5420-202-20-1

DETAILED TROUBLESHOOTING PROCEDURE

VEHICLE OPERATION – HULL POWER

(Continued)

Symptom-31.1

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.

Check CKT 1 from voltage regulator to alternator

for 100 to 200 ohms.

Does meter show 100 to 200 ohms?

18

NO

YES

Check CKT 1 for continuity in

harnesses 12326542, 12326538

and 12468994.

•

See step 43.

19

NO

YES

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.

Check CKT 534 from voltage regulator to

alternator for 100 to 200 ohms.

Does meter show 100 to 200 ohms?

20

Check CKT 534 for continuity in

harnesses 12326542, 12326538

and 12468994.

•

See step 35.

21