TM 5-2420-231-23-1
0047
Table 1. Front Windshield Wiper Does Not Function Correctly - Continued.
047
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
6. Using a digital multimeter, test for
Continuity - Replace main chassis
Front Windshield Wiper
continuity between front main
wiring harness (WP 0154).
Does Not Function Correctly
chassis wiring harness connector
Connect all wiring harness connectors.
- Continued
(WP 0007, Figure 6) terminal 6B
Install new wipers fuse (TM 5-2420-
and machine ground. There should
231-10).
be no continuity.
Proceed to Test Step 26.
No Continuity - Proceed to step 7.
7. Using a digital multimeter, test for
Continuity - Replace front lights wiring
continuity between front lights wir-
harness (WP 0183).
ing harness connector (WP 0007,
Connect all wiring harness connectors.
Figure 64) terminal D and machine
Install instrument panel front cover (WP
ground. There should be no conti-
0174).
nuity.
Install new wipers fuse (TM 5-2420-
231-10).
Proceed to Test Step 26.
No Continuity - Replace front
windshield wiper motor (WP 0342).
Connect all wiring harness connectors.
Install front floor cover plate (WP 0306).
Install instrument panel front cover (WP
0174).
Install new wipers fuse (TM 5-2420-
231-10).
Proceed to Test Step 26.
Test Step 22. Test Front Windshield
Wiper Switch.
1. Place front windshield wiper switch
in the low-speed position (TM 5-
2420-231-10).
2. Using a digital multimeter, test for
Continuity - Replace front windshield
continuity between front wind-
wiper switch (WP 0174).
shield wiper switch (WP 0007, Fig-
Connect all wiring harness connectors.
ure 132) terminals 1 and 4. There
Proceed to Test Step 26.
should be no continuity.
No Continuity - Proceed to step 3.
3. Place front windshield wiper switch
in the high-speed position (TM 5-
2420-231-10).
4. Using a digital multimeter, test for
Continuity - Replace front windshield
continuity between front wind-
wiper switch (WP 0174).
shield wiper switch (WP 0007, Fig-
Connect all wiring harness connectors.
ure 132) terminals 3 and 4. There
Proceed to Test Step 26.
should be no continuity.
No Continuity - Proceed to step 5.
5. Place front windshield wiper switch
in the off position (TM 5-2420-231-
10).
0047-15