TM-9-2350-247-20-1 Unit Maintenance Manual Volume 1 M548A1 M548A3 Tracked Cargo Carrier Download
Page 362 of 870
TM 9-2350-247-20-1 TURN SIGNAL LAMPS AND STOPLIGHTS DO NOT FLASH WITH CONTROL IN HAZARD POSITION—Continued 0066 00 14Y 1. Install light bulb and connect circuit 23 connector to blackout stoplight-taillight. 2. Partially remove instrument panel (WP 0256 00). 3. Disconnect wiring harness connector from light switch. 4. Place light switches in STOP LIGHT and PANEL BRT positions. 5. Check continuity between pin F and all remaining pins (1). Multimeter should indicate continuity when checking between pins (F, A), (F, B), and (F, J). When checking pins (F, C), (F, D), (F, E), (F, H), (F, K), (F, L), (F, M), and (F, N), multimeter should indicate infinity. 6. Move auxiliary switch to PARK. Multimeter should indicate infinity when connected between pins F and L. 7. Connect multimeter between pins K and C. Multimeter should read continuity. 8. Are readings correct? YES NO 14YN 1. Replace light switch (WP 0262 00). 2. Verify no faults found. 15Y 1. Connect wiring harness connector to light switch. 2. Install instrument panel (WP 0256 00). 3. Verify no faults found. 0066 00-8