TM 5-2420-231-23-1
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Table 1. Front Windshield Washer Does Not Operate.
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MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Front Windshield Washer
Test Step 1. Verify Operation of
Does Not Operate
Windshield Washer.
1. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
2. Remove wipers fuse (Figure 1,
Item 1) (TM 5-2420-231-10).
Figure 1. Fuse Panel.
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3. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less - Install
sure resistance between terminals
wipers fuse (TM 5-2420-231-10).
of wiper fuse. Resistance should
Proceed to step 5.
be 5.0 ohms or less.
Resistance Greater Than 5.0 Ohms -
Proceed to step 4.
4. Install new wipers fuse (TM 5-
2420-231-10).
5. Connect batteries (WP 0157) and
turn ignition switch to the on posi-
tion (TM 5-2420-231-10).
6. Press and hold the front wind-
Front Windshield Washer Pump
shield washer switch (Figure 2,
Operates and Discharges Washer
Item 2) (TM 5-2420-231-10). Front
Fluid - Troubleshooting complete.
windshield washer pump should
Proceed to Test Step 10.
activate, and washer fluid should
Front Windshield Washer Pump
discharge on front windshield (Fig-
Operates but Does Not Discharge
ure 2, Item 1).
Washer Fluid - Proceed toTest Step 2.
Front Windshield Washer Pump
Does Not Operate - Proceed to Test
Step 4.
