TM 5-3805-296-23-2
0141
Table 1. All Lights, Horn, and Backup Alarm Fail To Operate Continued.
0141
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 33. Test for Shorted 698
All Lights, Horn, and Backup
Circuit.
Alarm Fail To Operate
1. Disconnect connector H-C9
Continued
(WP 0012, Figure 242) from
military light switch
(WP 0012, Figure 241).
2. Using digital multimeter
Continuity Proceed to step 3.
(WP 0540), test for continuity
No Continuity Proceed to Test
between connector H-C9
Step 35.
terminal K (WP 0012, Figure 242)
and ground.
3. Lower left frame access plate
(WP 0376).
4. Disconnect connector W-C15
(WP 0012, Figure 85)
from stop lamp switch
(WP 0012, Figure 84).
5. Using digital multimeter
Continuity Proceed to Test Step 34.
(WP 0540), test for continuity
No Continuity Replace stop lamp
between connector H-C9
switch (WP 0361).
terminal K (WP 0012, Figure 242)
Proceed to Test Step 43.
and ground.
Test Step 34. Test for Shorted
Headliner Wiring Harness.
1. Disconnect connector H-C7
(WP 0012, Figure 225)
from connector W-C2
(WP 0012, Figure 224).
2. Using digital multimeter
Continuity Replace headliner wiring
(WP 0540), test for continuity
harness (WP 0497).
between connector H-C7
Proceed to Test Step 43.
terminal 31 (WP 0012,
No Continuity Proceed to step 3.
Figure 225) and ground.
3. Using digital multimeter
Continuity Replace headliner wiring
(WP 0540), test for continuity
harness (WP 0497).
between connector H-C7
Proceed to Test Step 43.
terminal 31 (WP 0012,
No Continuity Replace main cab
Figure 225) and all other
wiring harness (WP 0505).
terminals in connector H-C7
Proceed to Test Step 43.
(WP 0012, Figure 225).
Test Step 35. Test for Shorted A541
Circuit.
1. Using digital multimeter
Continuity Proceed to Test Step 36.
(WP 0540), test for continuity
No Continuity Replace military light
between connector H-C9
switch (WP 0517).
terminal C (WP 0012, Figure 242)
Proceed to Test Step 43.
and ground.
0141-30
