WINDSHIELD WIPERS DO NOT OPERATE ON HIGH SPEED.

TM 9-2320-279-20-1

Troubleshooting Malfunctions (Cont)

2-15. TROUBLESHOOTING INSTRUCTIONS (CONT).

Table 2-9.

Troubleshooting (Cont)

Malfunction

Test or Inspection

Corrective Action

ELECTRICAL SYSTEM (CONT)

23. WINDSHIELD WIPERS DO NOT OPERATE ON LOW SPEED OR INTERMITTENT (CONT).

Step 4.

Check for continuity across wiper/washer control switch sockets red wire to yellow wire.

Place negative (--) probe to red wire socket on connector MC26 and touch positive (+) probe

to yellow wire socket on MC26 connector.

If no continuity, replace electric wiper/washer conrol switch (para 18-9.5).

If continuity, problem has not been solved, notify supervisor.

24. WINDSHIELD WIPERS DO NOT OPERATE ON HIGH SPEED.

NOTE

Wiper/washer control switch rotated past third detent (fully clockwise) is HIGH speed setting.

Step 1.

Remove instrument panel (para 7-19).

Step 2.

Disconnect electric wiper harness connector MC27 from wiper motor. Set multimeter to test

for 24 vdc. Set wiper /washer control switch to LOW speed seeting. Place negative (--) probe

to a ground and touch positive (+) probe to socket D (wire 1919) on connector. Meter should

show 24 vdc.

If meter does not show 24 vdc, go to step 3.

If meter does show 24 vdc, replace wiper motor (para 18-9.3).

Change 6