TM-9-2350-247-20-1 Unit Maintenance Manual Volume 1 M548A1 M548A3 Tracked Cargo Carrier Download
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TM 9-2350-247-20-1 SERVICE TAILLIGHT DOES NOT OPERATE 0041 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 0541 00, Item 57) Multimeter (WP 0541 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 (see your -10) Carrier blocked (see your -10) NOTE M548A1 and M548A3 troubleshooting procedures are the same. M548A1 procedure is shown. T 1. Operate exterior lights in all positions (see your -10). 2. Do any exterior lights operate in any light switch positions? YES NO TN 1. Go to no exterior lights operate (WP 0034 00). Y 1. Turn main light switch on light switch to SER DRIVE. 2. Remove main harness circuit 21 plug (1) from left taillight jack (2). 3. Measure voltage between main harness circuit 21 plug (1) and ground. 4. Does multimeter read less than 17 volts? YES NO YN 1. Replace service taillight bulb (WP 0278 00). 2. Verify no faults found. 0041 00-1