TM 5-3805-298-23-2
0138
Table 1. Front Windshield Washer Does Not Operate - Continued.
0138
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 6. Test for Voltage at Front
Front Windshield Washer
Washer Pump Motor.
Does Not Operate -
1. Connect HN-C20 (WP 0012,
Continued
Figure 190) to front wiper switch
(WP 0012, Figure 191).
2. Disconnect connector LE-C10
(WP 0012, Figure 195) from front
washer pump motor.
3. Turn battery disconnect switch and
ignition switch to ON position
(TM 5-3805-298-10).
4. Have an assistant push and hold in
front wiper switch (TM 5-3805-298-
10).
5. Using digital multimeter
Voltage 18 to 28 V Replace front
(WP 0174), test for voltage
washer pump (WP 0360).
between connector LE-C10
Proceed to Test Step 14.
(WP 0012, Figure 195) terminal 1
Voltage Less Than 18 V Proceed to
and terminal 2 (ground).
Test Step 7.
Test Step 7. Test for Open Wiring
Harness.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-298-10).
2. Disconnect connector C-C1
(WP 0012, Figure 65) from
connector HN-C1 (WP 0012,
Figure 66).
3. Install a jumper wire between
terminal 1 and terminal 2 of
connector LE-C10 (WP 0012,
Figure 195).
4. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0174), measure resistance
Replace main cab wiring harness
between connector C-C1
(WP 0293).
(WP 0012, Figure 65) terminal 17
Proceed to Test Step 14.
and terminal 12.
Resistance Greater Than 5.0 Ohms
Proceed to Test Step 8.
0138-4
