TM 5-2410-241-23-1
0022
Table 1. Cab Troubleshooting Procedures - Continued.
0022
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Front Windshield Wiper
37. Using digital multimeter (WP
1. If 24 Volts is found, turn ignition
Does Not Operate Prop-
0296), measure for voltage
switch and battery disconnect
erly - Continued
switch to OFF position (TM 5-
between pin 4 on cab harness
2410-241-10). Remove jumper
front wiper motor connector H-C1
wire between pin 6 and pin 3 on
(WP 0018, Figure 123) and pin 2
cab harness front wiper motor
on cab harness front wiper motor
connector H-C1 (WP 0018, Figure
connector H-C1 (WP 0018, Figure
123). Replace front wiper motor
123).
(WP 0222). Ensure all harness
connectors are reconnected. Ver-
ify correct operation of machine
(TM 5-2410-241-10).
2. If 24 Volts is NOT found, turn igni-
tion switch and battery disconnect
switch to OFF position (TM 5-
2410-241-10). Remove jumper
wire between pin 6 and pin 3 on
cab harness front wiper motor
connector H-C1 (WP 0018, Figure
123). Proceed to step 38.
38. Remove rear wiper motor trim
panel (WP 0229).
39. Disconnect headliner harness
connector HA-C1 (WP 0018, Fig-
ure 134) from cab harness con-
nector H-C7 (WP 0018, Figure
133).
40. Using digital multimeter (WP
1. If continuity is NOT found, replace
0296), test for continuity between
cab harness (WP 0254). Ensure
pin 3 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 1 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 41.
41. Lower windshield wiper control
plate and switches from headliner
(WP 0234).
42. Disconnect 500 BROWN front
wiper PARK supply connector
(WP 0018, Figure 135) from front
wiper switch.
0022-72
