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, mea-
Front Windshield Wiper
Resistance 5.0 Ohms or Less -
sure resistance between front
Proceed to Test Step 23.
Does Not Function Correctly
windshield wiper switch (WP 0007,
- Continued
Resistance Greater Than 5.0 Ohms -
Figure 132) terminals 1 and 4.
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 23. Test Front Windshield
Wiper Park Circuit for an Open in the
Front Console Wiring Harness.
1. Disconnect front console wiring
harness connector (WP 0007, Fig-
ure 5) from front main chassis wir-
ing harness connector (WP 0007,
Figure 6).
2. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between front con-
Proceed to Test Step 24.
sole wiring harness connector (WP
Resistance Greater Than 5.0 Ohms -
0007, Figure 131) terminal 4 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 6B. Resistance should be 5.0
Proceed to Test Step 26.
ohms or less.
Test Step 24. Test Front Windshield
Wiper Park Circuit for an Open in the
Main Chassis Wiring Harness.
1. Remove front floor cover plate
(WP 0306).
2. Disconnect front lights wiring har-
ness connector (WP 0007, Figure
64) from main chassis wiring har-
ness connector (WP 0007, Figure
65) (WP 0183).
3. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between main
Proceed to Test Step 25.
chassis wiring harness connector
Resistance Greater Than 5.0 Ohms -
(WP 0007, Figure 6) terminal 6B
Replace main chassis wiring harness
and main chassis wiring harness
(WP 0154).
connector (WP 0007, Figure 65)
Connect all wiring harness connectors.
terminal K. Resistance should be
Proceed to Test Step 26.
5.0 ohms or less.
Test Step 25. Test Front Windshield
Wiper Park Circuit for an Open in the
Front Lights Wiring Harness.
1. Remove headliner from cab (WP
0346).
0047-16
