TM 5-2410-241-23-1
0022
Table 1. Cab Troubleshooting Procedures - Continued.
0022
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Front Windshield Wiper
21. Using digital multimeter (WP
1. If 24 Volts is found, replace front
Does Not Operate Prop-
0296), measure for voltage
wiper motor (WP 0222). Ensure
erly - Continued
between pin 5 on cab harness
all harness connectors are recon-
front wiper motor connector H-C1
nected. Verify correct operation of
(WP 0018, Figure 123) and pin 2
machine (TM 5-2410-241-10).
on cab harness front wiper motor
2. If 24 Volts is NOT found, proceed
connector H-C1 (WP 0018, Figure
to step 22.
123).
22. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-2410-241-10).
23. Remove rear wiper motor trim
panel (WP 0229).
24. Disconnect headliner harness
connector HA-C1 (WP 0018, Fig-
ure 134) from cab harness con-
nector H-C7 (WP 0018, Figure
133).
25. Using digital multimeter (WP
1. If continuity is NOT found, replace
0296), test for continuity between
cab harness (WP 0254). Ensure
pin 5 on cab harness front wiper
all harness connectors are recon-
motor connector H-C1 (WP 0018,
nected. Verify correct operation of
Figure 123) and pin 8 on cab har-
machine (TM 5-2410-241-10).
ness connector H-C7 (WP 0018,
2. If continuity is found, proceed to
Figure 133).
step 26.
26. Lower windshield wiper control
plate and switches from headliner
(WP 0234).
27. Disconnect 502 ORANGE front
wiper high supply connector (WP
0018, Figure 137) from front wiper
switch.
28. Using digital multimeter (WP
1. If continuity is NOT found, replace
0296), test for continuity between
headliner harness (WP 0232).
502 ORANGE front wiper high
Ensure all harness connectors
supply connector (WP 0018, Fig-
are reconnected. Verify correct
ure 137) and pin 8 on headliner
operation of machine (TM 5-2410-
harness connector HA-C1 (WP
241-10).
0018, Figure 134).
2. If continuity is found, replace front
wiper switch (WP 0234). Ensure
all harness connectors are recon-
nected. Verify correct operation of
machine (TM 5-2410-241-10).
29. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-2410-241-10).
0022-70
