TM 5-3805-293-23-2
0024
Table 1. Window Wipers and Washers Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. LH Door Wiper Does Not
Test Step 24. Test 524-BU Low
Operate Properly - Con-
Speed Circuit for High Resistance
tinued
or Open in Cab Upper Wiring Har-
ness.
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-C31 (WP 0009,
Figure 367) 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-C19 (WP 0009,
Figure 368) from wiper harness
connector WK-C1 (WP 0009, Fig-
ure 369) (WP 0265).
5. Using digital multimeter, measure
Resistance 5.0 Ohms or Greater -
resistance between R-C19 termi-
Replace cab upper wiring harness
nal C (WP 0009, Figure 368) and
(WP 0265).
R-C31 terminal 5 (WP 0009, Fig-
Proceed to step 6.
ure 367).
Resistance Less Than 5.0 Ohms -
Proceed to Test Step 25.
6. Turn battery disconnect switch
and ignition switch to ON position
(TM 5-3805-293-10).
Left Door Wiper Does Not Work in
7. Turn left door wiper/washer con-
One Or More Positions Or Does Not
trol to LOW, HIGH, and PARK
Return To Park - Repeat trouble-
position (TM 5-3805-293-10).
shooting from beginning.
Left Door Wiper Works In Low, and
High Position, and Returns to Park
- Troubleshooting complete.
Test Step 25. Test 527-GN Low
Speed Circuit for High Resistance
or Open in Wiper Wiring Harness.
1. Disconnect wiper wiring harness
connector WK-C2 (WP 0009, Fig-
ure 370) from LH door wiper
motor (WP 0259).
0024-47
