TM 5-3805-290-23-1
TROUBLESHOOTING WITHOUT A DIAGNOSTIC CODE - CONTINUED
0008 00
Table 2. Electrical System Troubleshooting - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
9. Check power to front wiper switch.
1. If battery voltage is present, go to Test
22. Wipers/Washers Do Not
(a) Disconnect wiring harness from
10.
Operate or Do Not Operate
front wiper switch (WP 0049 00). 2. If battery voltage is not present, there
Correctly - Continued.
(b) Turn battery disconnect switch
is an open circuit between wiper fuse
and engine start switch to ON
and wiper switch. Replace wiring
position (TM 5-3805-290-10).
harness in question (WP 0169 00 thru
(c) Measure voltage at front wiper
WP 0175 00).
switch between wiring harness pin
1, circuit 118 (GY), and ground.
10. Check front wiper motor ground
1. If continuity is present, replace front
circuit.
wiper switch (WP 0049 00). If problem
(a) Disconnect wiring harness from
still exists, replace front wiper motor
front wiper motor (WP 0119 00).
(WP 0119 00).
(b) Battery disconnect switch remains 2. If continuity is not present, there is an
in ON position (TM 5-3805-290-
open wiper motor ground circuit.
10).
Replace wiring harness in question
(c) Turn engine start switch to OFF
(WP 0169 00 thru WP 0175 00).
position (TM 5-3805-290-10).
(d) Check continuity at front wiper
motor between wiring harness pin
2, circuit 200 (BK), and ground.
11. Check power to front washer portion of 1. If battery voltage is present, connect
switch.
wiring harness from front wiper switch
(a) Disconnect wiring harness from
and go to Test 12.
front washer switch (WP 0049 00). 2. If battery voltage is not present, there
(b) Turn battery disconnect switch
is an open circuit between wiper fuse
and engine start switch to ON
and wiper switch. Replace wiring
position (TM 5-3805-290-10).
harness in question (WP 0169 00 thru
(c) Measure voltage at front washer
WP 0175 00).
switch between wiring harness pin
2, circuit 118 (GY), and ground.
12. Check front washer motor ground
1. If continuity is present, go to Test 13.
circuit.
2. If continuity is not present, there is an
(a) Disconnect wiring harness from
open wiper motor ground circuit.
front washer motor (WP 0119 00).
Replace wiring harness in question
(b) Battery disconnect switch remains
(WP 0169 00 thru WP 0175 00).
in ON position (TM 5-3805-290-
10).
(c) Turn engine start switch to OFF
position (TM 5-3805-290-10).
(d) Check continuity at front washer
motor between wiring harness pin
2, circuit 200 (BK), and ground.
0008 00-58
