TM 5-3805-298-23-2
0136
Table 1. Front Windshield Wiper Does Not Operate - Continued.
0136
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 3. Test for Voltage at Front
Front Windshield Wiper
Wiper Switch.
Does Not Operate -
1. Remove dash panel at front wiper
Continued
switch for access to wiring harness
connectors (WP 0258).
2. Disconnect connector HN-C20
(WP 0012, Figure 190) from front
wiper switch (WP 0012,
Figure 191).
3. Turn battery disconnect switch and
ignition switch to ON position
(TM 5-3805-298-10).
4. Using digital multimeter
Voltage 18 to 28 V Proceed to Test
(WP 0174), test for voltage
Step 4.
between connector HN-C20
Voltage Less Than 18 V Proceed to
(WP 0012, Figure 190) terminal 1
Test Step 5.
and terminal 3 (ground).
Test Step 4. Test for Voltage at Front
Wiper Motor.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-298-10).
2. Connect HN-C20 (WP 0012,
Figure 190) to front wiper switch
(WP 0012, Figure 191).
3. Disconnect connector HN-C19
(WP 0012, Figure 189) from front
wiper motor.
4. Turn battery disconnect switch and
ignition switch to ON position
(TM 5-3805-298-10).
5. Turn front wiper switch to high
position (TM 5-3805-298-10).
6. Using digital multimeter
Voltage 18 to 28 V Replace front
(WP 0174), test for voltage
wiper motor (WP 0358).
between connector HN-C19
Proceed to Test Step 17.
(WP 0012, Figure 189) terminal 5
Voltage Less Than 18 V Replace
and terminal 2 (ground).
main cab wiring harness (WP 0293).
Proceed to Test Step 17.
0136-3
