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 TRAILER LIGHTS DO NOT OPERATE 0043 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 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) T 1. Operate all exterior lights (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. Remove trailer plug from trailer receptacle. 2. Do all carrier exterior lights operate properly? YES NO YN 1. Troubleshoot carrier exterior lights (WP 0034 00). 2Y 1. Turn MASTER SWITCH OFF. 2. Measure resistance between trailer receptacle (1) pin L (2) and ground. 3. Does multimeter read 0 ohms? YES NO 2YN 1. Replace trailer wiring harness (WP 0301 00). 2. Verify no faults found. 0043 00-1