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
4. Disconnect cab upper wiring har-
Does Not Operate Prop-
ness connector R-C38 (WP 0009,
erly - Continued
Figure 372) from front windshield
wiper motor (WP 0260).
5. Using digital multimeter, measure
Resistance 5.0 Ohms or Greater -
resistance between R-C38 termi-
Replace cab upper wiring harness
nal 4 (WP 0009, Figure 372) and
(WP 0265).
R-C33 terminal 5 (WP 0009, Fig-
Proceed to step 6.
ure 371).
Resistance Less Than 5.0 Ohms -
Replace front windshield wiper motor
(WP 0260).
Connect R-C33 (WP 0009, Figure
371) on front windshield wiper washer
switch (WP 0274).
Proceed to step 6.
6. Turn battery disconnect switch
and ignition switch to ON position
(TM 5-3805-293-10).
Front Wiper Does Not Work in One
7. Turn front windshield wiper/
Or More Positions Or Does Not
washer control to LOW, HIGH,
Return To Park - Repeat trouble-
and PARK position (TM 5-3805-
shooting from beginning.
293-10).
Front Wiper Works In Low, and
High Position, and Returns to Park
- Troubleshooting complete.
Test Step 22. Test 500-BR Park Cir-
cuit for High Resistance or Open in
Cab Upper Wiring Harness.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-293-10).
2. Disconnect cab upper wiring har-
ness connector R-C33 (WP 0009,
Figure 371) from RH door wiper
washer switch (WP 0274).
3. Connect cab upper wiring har-
ness connector R-C32 (WP 0009,
Figure 363) on RH door wiper
washer switch (WP 0274).
4. Disconnect cab upper wiring har-
ness connector R-C38 (WP 0009,
Figure 372) from front windshield
wiper motor (WP 0260).
0024-23
