TM 5-3805-293-23-2
0024
Table 1. Window Wipers and Washers Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. Front Windshield
Replace front windshield wiper
washer switch (WP 0274).
Washer Does Not Work.
Front Windshield Wiper
Connect R-C32 (WP 0009, Figure
is Operational - Contin-
363) on RH door wiper washer switch
ued
(WP 0274).
Proceed to step 6.
6. Turn battery disconnect switch
and ignition switch to ON position
(TM 5-3805-293-10).
7. Turn front washer control to ON
Front Washer Does Not Operate -
Repeat troubleshooting from begin-
position (TM 5-3805-293-10).
ning.
Front Washer Operates - Trouble-
shooting complete.
Test Step 3. Test 200-BK Ground
Circuit to Front Washer Motor for
High Resistance or Open.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-293-10).
2. Disconnect cab lower wiring har-
ness connector P-C59 (WP 0009,
Figure 375) from front washer
motor (WP 0261).
3. Using digital multimeter, measure
Resistance 5.0 Ohms or Greater -
resistance between cab lower wir-
Proceed to Test Step 4.
ing harness connector P-C59 ter-
Resistance Less Than 5.0 Ohms -
minal 2 (WP 0009, Figure 375)
Proceed to Test Step 6.
and machine ground.
Test Step 4. Inspect Ground Points
of Cab Lower Wiring Harness.
Ground Point or Ring Terminal
1. Inspect ground points of cab
Dirty or Corroded - Clean as neces-
lower wiring harness (WP 0009,
sary.
Figure 65) for dirt, corrosion, and
damage.
Connect P-C59 (WP 0009, Figure
375) on front washer motor (WP
0261).
Proceed to step 2.
Ring Terminal Defective - Replace
cab lower wiring harness (WP 0266).
Proceed to step 2.
No Problem Found - Install cab lower
wiring harness terminals on ground
point with mounting hardware and
tighten securely.
Proceed to Test Step 5.
0024-79