TM 5-3805-298-23-2
0137
Table 1. Rear Window Wiper Does Not Operate - Continued.
0137
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Rear Window Wiper Does
3. Using digital multimeter
Resistance 5.0 Ohms or Less
Not Operate - Continued
(WP 0174), measure resistance
Replace main cab wiring harness
between connector C-C1
(WP 0293).
(WP 0012, Figure 65) terminal 1
Proceed to Test Step 24.
and terminal 2.
Resistance Greater Than 5.0 Ohms
Proceed to Test Step 15.
Test Step 15. Test for Open Upper
Cab Wiring Harness.
1. Disconnect connector G-C3
(WP 0012, Figure 139) from
connector C-C24 (WP 0012,
Figure 140).
2. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0174), measure resistance
Replace lower cab wiring harness
between connector G-C3
(WP 0291).
(WP 0012, Figure 139) terminal 6
Proceed to Test Step 24.
and terminal 7.
Resistance Greater Than 5.0 Ohms
Replace upper cab wiring harness
(WP 0292).
Proceed to Test Step 24.
Test Step 16. Test for Voltage at Rear
Wiper Motor.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-298-10).
2. Remove rear cab liner (WP 0354).
3. Disconnect connector G-C5
(WP 0012, Figure 192) from rear
wiper motor.
4. Turn battery disconnect switch and
ignition switch to ON position
(TM 5-3805-298-10).
5. Turn rear wiper switch to high
position (TM 5-3805-298-10).
6. Using digital multimeter
Voltage 18 to 28 V Replace rear wiper
(WP 0174), test for voltage
motor (WP 0359).
between connector G-C5
Proceed to Test Step 24.
(WP 0012, Figure 192) terminal 5
Voltage Less Than 18 V Proceed to
and terminal 2 (ground).
Test Step 17.
0137-7
