TM 5-3805-293-23-2
0024
Table 1. Window Wipers and Washers Troubleshooting Procedures.
0024
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Front Windshield Wiper
Test Step 1. Inspect Front Wind-
shield Wiper Operation.
Does Not Operate Prop-
erly
1. Turn battery disconnect switch
and ignition switch to ON position
(TM 5-3805-293-10).
Wiper Does Not Work in Any Posi-
2. Turn front windshield wiper/
tion - Proceed to Test Step 2.
washer control to LOW, HIGH,
and PARK position (TM 5-3805-
Wiper Does Not Work in Low Posi-
293-10).
tion - Proceed to Test Step 19.
Wiper Does Not Work in High Posi-
tion - Proceed to Test Step 19.
Wiper Does Not Return to Park
Position - Proceed to Test Step 19.
Test Step 2. Test 112-PU Main
Power Relay Output Circuit for
Open Inside Fuse Box.
1. Remove cover from fuse box (TM
5-3805-293-10).
Voltage Within 18-26 Volts - Proceed
2. Using digital multimeter, measure
to Test Step 3.
for 18-26 Volts between fuse F20
bottom terminal (Figure 1) and
Voltage Not Within 18-26 Volts -
machine ground.
Replace cab lower wiring harness
(WP 0266).
Install cover on fuse box (TM 5-3805-
293-10).
Proceed to step 3.
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.
