TM 9-2320-364-20-2 2-1426 30.  WINDSHIELD WASHERS DO NOT OPERATE (CONT). 4. Repair wire 1314 (see schematic Fig 2-37) or notify DS Maintenance.   Verify repair, go to Step 8 of this Fault. YES NO Windshield wipers operate. Washer water bottle is full. Air line 2071 OK. Windshield washer solenoid   valve OK. Pressure relief valve OK. Wire 1314 faulty. Windshield washer switch   faulty. Wire 1921 faulty. Wire 1435 faulty. Windshield washer solenoid   ground faulty. KNOWN INFO POSSIBLE PROBLEMS TEST OPTIONS REASON FOR QUESTION Voltage test. STE/ICE-R #89. If 10 to 14 vdc are not present, windshield washers will not operate. WARNING 5. Replace windshield washer switch (Para 7-27).   Verify repair, go to Step 8 of this Fault. YES NO Windshield wipers operate. Washer water bottle is full. Wire 1314 OK. Air line 2071 OK. Windshield washer solenoid   valve OK. Pressure relief valve OK. Wire 1314 OK. Windshield washer switch   faulty. Wire 1921 faulty. Wire 1435 faulty. Windshield washer solenoid   ground faulty. KNOWN INFO POSSIBLE PROBLEMS TEST OPTIONS REASON FOR QUESTION Continuity test. STE/ICE-R #91. If continuity is not measured, windshield washer switch is faulty. WARNING Are 10 to 14 vdc measured on wire 1314 at windshield washer switch, terminal 5? Is there continuity between terminals 1 and 5 on windshield washer switch? Read   WARNING on Page 2-1427 Read   WARNING on Page 2-1427