TM-9-2350-277-20-1 Unit Maintenance Manual Volume 1 M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-20-1 BLACKOUT DRIVE LIGHT DOESN’T WORK 0030 00 INITIAL SETUP: M a i n t e n a n c e L e v e l Unit T o o l s a n d S p e c i a l T o o l s General Mechanic’s Tool Kit (WP 0926 00, Item 65) Multimeter (WP 0926 00, Item 30) P e r s o n n e l R e q u i r e d Unit Mechanic 63T10 Helper (H) R e f e r e n c e s See your -10 E q u i p m e n t C o n d i t i o n Engine stopped (see your -10) Carrier blocked (see your -10) IR/BO selector on BO T 1. Operate exterior lights in all positions (see your -10). 2. Do any exterior lights operate in any lighting control switch positions? YES NO TN 1. See task: no exterior lights operate (WP 0029 00). Y 1. Remove harness 12349881 plug (1) from BO DRIVE light jack (2). 2. Check continuity between BO DRIVE light jack (2) and ground. 3. Read multimeter. Is there any continuity? YES NO YN 1. Install harness 12349881 plug on BO DRIVE light. 2. Replace BO DRIVE light bulb (WP 0306 00). 3. Verify no faults found. 2Y 1. Does multimeter read more than 0 ohms? YES NO 2YN 1. Replace BO DRIVE light assembly (WP 0305 00). 2. Verify no faults found. 0030 00-1