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 LAMP, STOPLIGHT OR CONTROL LIGHT DOES NOT LIGHT OR FLASH WHEN CONTROL IS IN RIGHT OR LEFT TURN POSITION—Continued 0065 00 8Y 1. Partially remove instrument panel (WP 0256 00). 2. Disconnect wiring harness connector from light switch. 3. Measure resistance between pins (1) F and all of the remaining pins (1). Multimeter should show continuity when checking between pins (1) (F, A),(F, B), and (F, E) with light switch in the BO MARKER and PANEL BRT position. When measuring resistance between pins (1) (F, C), (F, D), (F, J), (F, H), (F, K), (F, L), (F, M), and (F, N), multimeter should show infinity. 4. Move auxiliary switch to PARK. Multimeter should show infinity when connected between pins (1) F and L. 5. Connect multimeter between pins (1) K and N, multimeter should show continuity. 6. Are readings correct? YES NO 8YN 1. Replace light switch (WP 0262 00). 2. Verify no faults found. 9Y 1. Install harness connector on light switch. 2. Install instrument panel (WP 0256 00). 3. Remove bulbs (1) from left and right turn signal light sockets and measure bulb for continuity. 4. Does multimeter indicate any continuity? YES NO 9YN 1. Replace faulty turn signal light bulb (WP 0505 00). 2. Verify no faults found. 0065 00-6