TM-9-2350-261-20-1 Unit Maintenance Manual Volume 1 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
Page 215 of 1236
TM 9-2350-261-20-1 BLACKOUT DRIVE LIGHT DOES NOT 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 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 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/shutdown (see your -10) Carrier blocked (see your -10) IR/BO selector on BO (see your -10) T 1. Operate exterior lights in all 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. Remove front main harness plug (1) from BO DRIVE light jack (2). 2. Measure resistance between BO DRIVE light jack (2) and ground. 3. Does multimeter read less than infinity? YN 1. Install front main harness plug on BO DRIVE light. 2. Replace BO DRIVE lamp unit (WP 0259 00). 3. Verify no faults found. 2Y 1. Check multimeter reading. 2. Does multimeter read more than 0 ohms? 2YN 1. Replace BO DRIVE light assembly (WP 0260 00). 2. Verify no faults found. 0030 00-1