TM 5-2420-231-23-1
0047
Table 1. Front Windshield Wiper Does Not Function Correctly - Continued.
047
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 4. Test Front Windshield
Front Windshield Wiper
Wiper Low-Speed Circuit for a Short
Does Not Function Correctly
to Ground.
- Continued
1. Remove instrument panel front
cover (WP 0174).
2. Disconnect front console wiring
harness connector (WP 0007, Fig-
ure 5) from main chassis wiring
harness connector (WP 0007, Fig-
ure 6) (WP 0162).
3. Using a digital multimeter, test for
Continuity - Replace front console
continuity between front console
wiring harness (WP 0162).
wiring harness connector (WP
Connect all wiring harness connectors.
0007, Figure 5) terminal 7B and
Install new wipers fuse (TM 5-2420-
machine ground. There should be
231-10).
no continuity.
Proceed to Test Step 26.
No Continuity - Proceed to step 4.
4. Remove front floor cover plate
(WP 0306).
5. Disconnect front lights wiring har-
ness connector (WP 0007, Figure
64) from main chassis wiring har-
ness connector (WP 0007, Figure
65) (WP 0183).
6. Using a digital multimeter, test for
Continuity - Replace main chassis
continuity between front main
wiring harness (WP 0154).
chassis wiring harness connector
Connect all wiring harness connectors.
(WP 0007, Figure 6) terminal 7B
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 62) terminal B 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.
0047-5
