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 TURN SIGNAL LAMPS AND STOPLIGHTS DO NOT FLASH WITH CONTROL IN HAZARD POSITION—Continued 0066 00 2Y 1. Install harness connector on flasher. 2. Remove light bulb from turn signal control (WP 0508 00). 3. Check light bulb (1) for continuity. 4. Does multimeter indicate any continuity? YES NO 2YN 1. Replace light bulb (WP 0508 00). 2. Verify no faults found. 3Y 1. Install light bulb in turn signal control (WP 0508 00). 2. Disconnect harness connector from turn signal control (1). 3. Put turn signal control unit (1) in left turn position. 4. Measure resistance between terminal pin G and terminal pin F. Note reading. 5. Measure resistance between terminal pin H and terminal pin B. Note reading. 6. Measure resistance between terminal pin H and terminal pin C. Note reading. 7. Measure resistance between terminal pin H and lamp socket. Note reading. 8. Did multimeter indicate 10 ohms or less for each reading? YES NO 3YN 1. Replace faulty turn signal control (WP 0508 00). 2. Verify no faults found. 0066 00-2