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 7. Test Front Windshield
Front Windshield Wiper
Wiper Switch.
Does Not Function Correctly
- Continued
1. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
2. Place front windshield wiper switch
in the off position (TM 5-2420-231-
10).
3. 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 2. There
Proceed to Test Step 26.
should be no continuity.
No Continuity - Proceed to step 4.
4. Place front windshield wiper switch
in the low speed position (TM 5-
2420-231-10).
5. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between front
Proceed to Test Step 8.
windshield wiper switch (WP 0007,
Resistance More Than 5.0 Ohms -
Figure 132) terminals 1 and 2.
Replace front windshield wiper switch
Resistance should be 5.0 ohms or
(WP 0174).
less.
Connect all wiring harness connectors.
Proceed to Test Step 26.
Test Step 8. Test Front Windshield
Wiper Low-Speed Circuit for an Open
in the Front Console Wiring Harness.
1. Disconnect front console wiring
harness connector (WP 0007, Fig-
ure 5) from main chassis wiring
harness connector (WP 0007, Fig-
ure 6).
2. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between front con-
Proceed to Test Step 9.
sole wiring harness connector (WP
Resistance Greater Than 5.0 Ohms -
0007, Figure 131) terminal 1 and
Replace front console wiring harness
front console wiring harness con-
(WP 0162).
nector (WP 0007, Figure 5) termi-
Connect all wiring harness connectors.
nal 7B. Resistance should be 5.0
Proceed to Test Step 26.
ohms or less.
Test Step 9. Test Front Windshield
Wiper Low-Speed Circuit for an Open
in the Main Chassis Wiring Harness.
1. Remove front floor cover plate
(WP 0306).
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