TM 5-2420-231-23-1
0049
Table 1. Rear Window Wiper Does Not Function Correctly - Continued.
049
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. Using a digital multimeter, mea-
Rear Window Wiper Does
Resistance 5.0 Ohms or Less -
sure resistance between rear win-
Proceed to Test Step 8.
Not Function Correctly -
dow wiper switch (WP 0007,
Continued
Resistance Greater Than 5.0 Ohms -
Figure 132) terminal 1 and termi-
Replace rear window wiper switch (WP
nal 2. Resistance should be 5.0
0172).
ohms or less.
Connect all wiring harness connectors.
Proceed to Test Step 20.
Test Step 8. Test Rear Window Wiper
Low-Speed Circuit for an Open in the
Side Console Wiring Harness.
1. Disconnect side console wiring
harness connector (WP 0007, Fig-
ure 130) from the cab wiring har-
ness connector (WP 0007, Figure
129).
2. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between side con-
Proceed to step 3.
sole wiring harness connector (WP
Resistance Greater Than 5.0 Ohms -
0007, Figure 137) terminal 1 and
Replace side console wiring harness
side console wiring harness con-
(WP 0170).
nector (WP 0007, Figure 130) ter-
Connect all wiring harness connectors.
minal C2. Resistance should be
Proceed to Test Step 20.
5.0 ohms or less.
3. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between cab wir-
Replace rear window wiper motor (WP
ing harness connector (WP 0007,
0343).
Figure 129) terminal C2 and cab
Connect all wiring harness connectors.
wiring harness connector (WP
Install instrument panel right-side
0007, Figure 127) terminal B.
covers (WP 0176).
Resistance should be 5.0 ohms or
Proceed to Test Step 20.
less.
Resistance Greater Than 5.0 Ohms -
Replace side console wiring harness
(WP 0170).
Connect all wiring harness connectors.
Proceed to Test Step 20.
Test Step 9. Test for Faulty Wipers
Fuse.
1. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
2. Remove wipers fuse (Figure 4,
Item 1) (TM 5-2420-231-10).
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