TM 9-2350-247-20-1BLACKOUT MARKER LIGHT(S) AND/OR TAILLIGHT(S) DO NOT OPERATE—Continued 0040 00BY1. Check and see if both BO taillights or both BO markers are out.2. Are both BO taillights out or both BO markers out?YESNOGO TO CY (PAGE 0040 00-3)2BY1. Check and see if both BO taillights are out.2. Are both BO taillights out?YESNO2BYN1. Repair main harness circuit 20(WP 0294 00).2. Verify no faults found.3BY1. Repair main harness circuit 24 (WP 0294 00).2. Verify no faults found.CY1. Turn MASTER SWITCH OFF.2. Remove main harness plug (1) from light switch jack (2).3. Measure resistance between switch jack (2) pins F (3) and E (4).4. Does multimeter read 0 ohms?YESNOCYN1. Replace light switch (WP 0262 00).2. Verify no faults found.0040 00-3/4 blank2CY1. Repair main harness circuit 20/24 (WP 0294 00).2. Verify no faults found.
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