TM-9-2350-238-20-2

CRANE (CAB) COMPONENTS RECOVERY VEHICLE, FULL TRACKED: LIGHT,ARMORED, M578

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL

MAY 1993

CHANGE 1

TM-9-2350-238-20-2 - Page 101 of 495

WARNING

TM 9-2350-238-20- 2

(4) Either dome light does not operate when MASTER switch is ON .

Make sure MASTER switch is OFF before repairing electrical com-

ponents. Failure to observe this warning could result in injury t o

personnel .

Step 1 .

Disconnect lead 38 (1) from inoperative dome light (2). Place red probe i n

lead 38. Ground black probe. Set MASTER switch ON. If multimeter in-

dicates about 24 volts, go to step 2. If multimeter indicates no voltage ,

repair lead 38, refer to page 2-66. Set MASTER switch OFF. Connect lead .

Step 2 .

Remove inoperative lamp from dome light (1), refer to page 2-291. Connec t

multimeter to contacts of lamp. If multimeter indicates about 3 ohms fo r

red lamp (2) or about 10 ohms for white lamp (3), replace dome light, refer

to page 2-291. If multimeter indicates infinity replace lamp, refer to pag e

2-291 .

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