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 24. Test for Shorted Main
All Lights, Horn, and Backup
Cab Wiring Harness.
Alarm Fail To Operate
1. Remove upper and lower plenum
Continued
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-C2
Proceed to Test Step 43.
terminal 11 (WP 0012,
No Continuity Proceed to step 4.
Figure 224) and ground.
4. 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 11 (WP 0012,
No Continuity Proceed to Test
Figure 224) and all other terminals
Step 25.
in connector W-C2
(WP 0012, Figure 224).
Test Step 25. Test for Shorted Dash
Wiring Harness.
1. Remove instrument panel from
ROPS (WP 0506).
2. Disconnect connector P-C14 and
P-C15 (Figure 10, Items 4 and 5)
from quad-gauge module
(Figure 10, Item 3). Remove LED
from each connector.
3. Disconnect connector P-C20 and
P-C21 (Figure 10, Items 1 and 13)
from speedometer/tachometer
module (Figure 10, Item 14).
Remove LED from each
connector.
4. Disconnect connector P-C9
(Figure 10, Item 6) from instrument
panel (Figure 10, Item 12).
Remove LED from connector.
5. Disconnect connector P-C4
(Figure 10, Item 7) from brights
switch (Figure 10, Item 2).
6. Disconnect connector P-C8
(Figure 10, Item 8) from
bowl/edge flood lamp switch
(Figure 10, Item 9).
0141-21