TURN SIGNAL LAMP, STOPLIGHT OR CONTROL LIGHT DOES NOT LIGHT OR FLASH WHEN CONTROL IS IN RIGHT OR LEFT TURN POSITION

TURN SIGNAL LAMP, S TOPLIGHT OR CONTROL LIGHT DOES NOT LIGHT OR FLASH WHEN CONTROL IS IN RIGHT OR LEFT TURN POSITIONContinued - TM-9-2350-247-20-1_342

TM-9-2350-247-20-1 Crane (CAB) Components Recovery Vehicle Full Tracked: light Armored M578 (2360-00-439-6242) (EIC:3LA) Manual
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TM 9-2350-247-20-1 TURN SIGNAL LAMP, STOPLIGHT OR CONTROL LIGHT DOES NOT LIGHT OR FLASH WHEN CONTROL IS IN RIGHT OR LEFT TURN POSITION 0065 00 INITIAL SETUP: Maintenance Level Unit Tools and Special Tools General Mechanic’s Tool Kit (WP 0541 00, Item 57) Multimeter (WP 0541 00, Item 29) Personnel Required Unit Mechanic References See your -10 Equipment Condition Engine stopped (see your -10) Carrier blocked (see your -10) MASTER SWITCH OFF (see your -10) NOTE M548A1 and M548A3 troubleshooting procedures are the same. M548A1 procedure is shown. T 1. Check for loose electrical connections. 2. Are all electrical connections clean and tight? YES NO TN 1. Clean and tighten faulty electrical connections. 2. Verify no faults found. Y 1. Remove harness connector (1) from flasher unit (2). 2. Measure resistance between pins (3) (A, C), and (B, C) (4). Multimeter reading should be 0 ohms. 3. Does multimeter read 0 ohms in both positions? YES NO YN 1. Replace turn signal flasher unit (WP 0509 00). 2. Verify no faults found. 0065 00-1

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