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 36. Test for Shorted
All Lights, Horn, and Backup
Headliner Wiring Harness.
Alarm Fail To Operate
1. Disconnect connector H-C7
Continued
(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 27 (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 27 (WP 0012,
No Continuity Proceed to Test
Figure 225) and all other
Step 37.
terminals in connector H-C7
(WP 0012, Figure 225).
Test Step 37. Test for Shorted Main
Cab Wiring Harness.
1. Remove upper and lower plenum
from ROPS (WP 0504).
2. Disconnect connector P-C1
(WP 0012, Figure 253)
from connector W-C7
(WP 0012, Figure 252)
(WP 0506).
3. Using digital multimeter
Continuity Replace main cab wiring
(WP 0540), test for continuity
harness (WP 0505).
between connector W-C7
Proceed to Test Step 43.
terminal 17 (WP 0012,
No Continuity Proceed to step 4.
Figure 252) and ground.
4. Using digital multimeter
Continuity Replace main cab wiring
(WP 0540), test for continuity
harness (WP 0505).
between connector W-C7
Proceed to Test Step 43.
terminal 17 (WP 0012,
No Continuity Proceed to step 5.
Figure 252) and all other
terminals in connector W-C7
(WP 0012, Figure 252).
5. Using digital multimeter
Continuity Replace main cab wiring
(WP 0540), test for continuity
harness (WP 0505).
between connector W-C2
Proceed to Test Step 43.
terminal 27 (WP 0012,
No Continuity Proceed to Test
Figure 224) and all other
Step 38.
terminals in connector W-C2
(WP 0012, Figure 224).
0141-31