TM 5-2420-231-23-1
0050
Table 1. Rear Window Washer Does Not Operate.
0050
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Rear Window Washer Does
Test Step 1. Verify Operation of Rear
Not Operate
Window 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.
0050
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 wipers 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 rear window
Rear Window Washer Pump
washer switch (Figure 2, Item 2)
Operates and Washer Fluid
(TM 5-2420-231-10). Rear win-
Discharges on Rear Window -
dow washer pump should activate,
Troubleshooting complete.
and washer fluid should discharge
Rear Window Washer Pump
on rear window (Figure 2, Item 1).
Operates But Does Not Discharge
Washer Fluid on Rear Window -
Proceed to Test Step 2.
Rear Window Washer Pump Does
Not Operate - Proceed to Test Step 4.