TM-9-2350-261-20-1 Unit Maintenance Manual Volume 1 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
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TM 9-2350-261-20-1 SERVICE HEADLIGHTS DO NOT WORK 0031 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 Digital Multimeter (WP 0780 00, Item 43) General Mechanic’s Tool Kit (WP 0780 00, Item 29) P e r s o n n e l R e q u i r e d Unit Mechanic 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/shutdown (see your -10) Carrier blocked (see your -10) T 1. Operate lights in all lighting control positions (see your -10). 2. Do any exterior lights operate in any lighting control switch positions? TN 1. Go to No Exterior Lights Operate (WP 0029 00). Y 1. Turn main light switch to SER DRIVE. 2. Do both high beams and/or both low beams fail to come on? YN GO TO BY (PAGE 0031 00-2) 2Y 1. Turn MASTER SWITCH to OFF (see your -10). 2. Remove hull front access cover (WP 0429 00). 3. Remove front main harness plug (1) from dimmer switch jack (2). 4. Turn MASTER SWITCH to ON (see your -10). 5. Measure voltage between front main harness plug (1) pin G (3) and ground. 6. Does multimeter read less than 17 volts? 2YN GO TO CY (PAGE 0031 00-4) 0031 00-1