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 HEADLIGHTS DO NOT OPERATE 0036 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 6. Operate lights in all light switch 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 to SER DRIVE. 2. Do both high beams and/or both low beams fail to come on? YES NO GO TO BY (PAGE 0036 00-3) 2Y 1. Turn MASTER SWITCH OFF. 2. Remove main harness plug (1) from beam selector switch jack (2). 3. Turn MASTER SWITCH ON. 4. Measure voltage between front main harness plug (1) pin G (3) and ground. 5. Does multimeter read less than 17 volts? YES NO GO TO CY (PAGE 0036 00-4) 0036 00-1