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
5. Turn battery disconnect switch
Does Not Operate Prop-
and ignition switch to ON position
erly - Continued
(TM 5-3805-293-10).
6. 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 17. Test 200-BK Ground
Circuit to Front Windshield Wiper
Motor for High Resistance or Open.
1. Disconnect cab upper wiring har-
ness connector R-C38 (WP 0009,
Figure 372) from front windshield
wiper motor (WP 0260).
2. Using digital multimeter, measure
Resistance 5.0 Ohms or Greater -
resistance between R-C38 termi-
Replace cab upper wiring harness
nal 2 (WP 0009, Figure 372) and
(WP 0265).
machine ground.
Proceed to step 3.
Resistance Less Than 5.0 Ohms -
Proceed to Test Step 18.
3. Turn battery disconnect switch
and ignition switch to ON position
(TM 5-3805-293-10).
4. 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 18. Test 502-OR High
Speed Circuit and 501-GN Low
Speed Circuit for High Resistance
or Open in Cab Upper Wiring Har-
ness.
1. Using digital multimeter, measure
Resistance 5.0 Ohms or Greater -
resistance between R-C38 termi-
Replace cab upper wiring harness
nal 5 (WP 0009, Figure 372) and
(WP 0265).
R-C33 terminal 4 (WP 0009, Fig-
Proceed to step 3.
ure 371).
Resistance Less Than 5.0 Ohms -
Proceed to step 2.
0024-19
