TM 5-3805-293-23-2
0024
Table 1. Window Wipers and Washers Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Front Windshield Wiper
Test Step 10. Test 506-PU Front
Does Not Operate Prop-
Washer Circuit for Short to Other
erly - Continued
Terminals in Cab Lower Wiring Har-
ness.
1. Disconnect cab lower wiring har-
ness connector P-C59 (WP 0009,
Figure 375) from front washer
motor (WP 0261).
2. Using digital multimeter, test for
No Continuity - Proceed to step 3.
continuity between P-C3 terminal
Continuity - Replace cab lower wiring
19 and all other terminals in P-C3
harness (WP 0266).
(WP 0009, Figure 34).
Install new fuse F20 on fuse box (TM
5-3805-293-10).
Install cover on fuse box (TM 5-3805-
293-10).
Proceed to step 4.
No Continuity - Proceed to Test Step
3. Using digital multimeter, test for
11.
continuity between P-C3 terminal
19 (WP 0009, Figure 34) and
Continuity - Replace cab lower wiring
machine ground.
harness (WP 0266).
Install new fuse F20 on fuse box (TM
5-3805-293-10).
Install cover on fuse box (TM 5-3805-
293-10).
Proceed to step 4.
4. Turn battery disconnect switch
and ignition switch to ON position
(TM 5-3805-293-10).
5. Turn front windshield wiper/
Front Wiper Does Not Work in One
washer control to LOW, HIGH,
Or More Positions Or Does Not
and PARK position (TM 5-3805-
Return To Park - Repeat trouble-
293-10).
shooting from beginning.
Front Wiper Works In Low, and
High Position, and Returns to Park
- Troubleshooting complete.
Test Step 11. Test 120-YL Fused
Wiper Washer Circuit for Short to
Other Terminals in Cab Upper Wir-
ing Harness.
1. Disconnect cab upper wiring har-
ness connector R-C33 (WP 0009,
Figure 371) from front windshield
wiper washer switch (WP 0274).
0024-9
