TM 5-2420-231-23-1
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Table 1. Front Windshield Wiper Does Not Function Correctly.
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MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Front Windshield Wiper
Test Step 1. Verify Operation of Front
Does Not Function Correctly Windshield Wiper.
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. Place front windshield wiper switch
Front Windshield Wiper Operates at
(Figure 2, Item 2) in the low-speed
Low Speed - Proceed to step 7.
position (TM 5-2420-231-10) and
Front Windshield Wiper Does Not
observe front windshield wiper
Operate at Low Speed - Proceed to
(Figure 2, Item 1).
Test Step 2.
7. Place front windshield wiper switch
Front Windshield Wiper Operates at
(Figure 2, Item 2) in the high-
High Speed - Proceed to step 8.
speed position (TM 5-2420-231-
Front Windshield Wiper Does Not
10) and observe front windshield
Operate at High Speed - Proceed to
wiper (Figure 2, Item 1).
Test Step 11.
