TM 5-2410-241-23-1
0022
Table 1. Cab Troubleshooting Procedures - Continued.
0022
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Front Windshield Wiper
11. Disconnect headliner harness
Does Not Operate Prop-
connector HA-C1 (WP 0018, Fig-
erly - Continued
ure 134) from cab harness con-
nector H-C7 (WP 0018, Figure
133).
12. Using digital multimeter (WP
1. If continuity is NOT found, replace
0296), test for continuity between
cab harness (WP 0254). Ensure
pin 4 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 3 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 13.
13. Lower windshield wiper control
plate and switches from headliner
(WP 0234).
14. Disconnect 501 GREEN front
wiper LOW supply connector (WP
0018, Figure 136) from front wiper
switch.
15. Using digital multimeter (WP
1. If continuity is NOT found, replace
0296), test for continuity between
headliner harness (WP 0232).
501 GREEN front wiper LOW
Ensure all harness connectors
supply connector (WP 0018, Fig-
are reconnected. Verify correct
ure 136) and pin 3 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).
16. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-2410-241-10).
17. Remove front wiper motor trim
panel (WP 0229).
18. Disconnect cab harness front
wiper motor connector H-C1 (WP
0018, Figure 123) from front wiper
motor (WP 0222).
19. Turn battery disconnect switch
and ignition switch to ON position
(TM 5-2410-241-10).
20. Turn front wiper switch to the
HIGH position (TM 5-2410-241-
10).
0022-69