TM 5-2410-241-23-1
0022
Table 1. Cab Troubleshooting Procedures - Continued.
0022
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Front Windshield Wiper
53. Remove rear wiper motor trim
Does Not Operate Prop-
panel (WP 0229).
erly - Continued
54. Disconnect headliner harness
connector HA-C1 (WP 0018, Fig-
ure 134) from cab harness con-
nector H-C7 (WP 0018, Figure
133).
55. Using digital multimeter (WP
1. If continuity is NOT found, replace
0296), test for continuity between
cab harness (WP 0254). Ensure
the following pins on cab harness
all harness connectors are recon-
front wiper motor connector H-C1
nected. Verify correct operation of
(WP 0018, Figure 123) and pins
machine (TM 5-2410-241-10).
on cab harness connector H-C7
2. If continuity is found, proceed to
(WP 0018, Figure 133).
step 56.
a. Between pin 4 on H-C1 (WP
0018, Figure 123) and pin 3
on H-C7 (WP 0018, Figure
133).
b. Between pin 5 on H-C1 (WP
0018, Figure 123) and pin 8
on H-C7 (WP 0018, Figure
133).
c.
Between pin 3 on H-C1 (WP
0018, Figure 123) and pin 1
on H-C7 (WP 0018, Figure
133).
56. Disconnect 502 ORANGE front
wiper high supply connector (WP
0018, Figure 137) from front wiper
switch.
57. Disconnect 501 GREEN front
wiper LOW supply connector (WP
0018, Figure 136) from front wiper
switch.
58. Disconnect 500 BROWN front
wiper PARK supply connector
(WP 0018, Figure 135) from front
wiper switch.
0022-74