TM 5-3805-298-23-1
0123
Table 1. Blackout Light Does Not Operate - Continued.
0123
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Using digital multimeter
Continuity Proceed to Test Step 9.
Blackout Light Does Not
(WP 0174), test for continuity
Operate - Continued
No Continuity Replace blackout light
between connector LE-C22
(WP 0275) and lighting fuse (WP 0012,
(WP 0012, Figure 143) terminal 1
Figure 44, Item 8).
and ground.
Proceed to Test Step 12.
Test Step 9. Test for Shorted Wiring
Harness.
1. Disconnect connector LE-C1
(WP 0012, Figure 87) from
connector C-C10 (WP 0012,
Figure 86).
2. Using digital multimeter
Continuity Proceed to Test Step 10.
(WP 0174), test for continuity
No Continuity Replace front frame
between connector C-C10
wiring harness (WP 0301) and lighting
(WP 0012, Figure 86) terminal 8
fuse (WP 0012, Figure 44, Item 8).
and ground.
Proceed to Test Step 12.
Test Step 10. Test for Shorted Main
Cab Wiring Harness.
1. Disconnect connector HN-C1
(WP 0012, Figure 66) from
connector C-C1 (WP 0012,
Figure 65).
2. Using digital multimeter
Continuity Replace main cab wiring
(WP 0174), test for continuity
harness (WP 0293) and lighting fuse
between connector HN-C1
(WP 0012, Figure 44, Item 8).
(WP 0012, Figure 66) terminal 21
Proceed to Test Step 12.
and ground.
No Continuity Proceed to Test
Step 11.
Test Step 11. Test for Shorted Engine
Wiring Harness.
1. Remove right lower cab access
panels (WP 0347).
2. Disconnect connector EN-C2
(WP 0012, Figure 12) from
connector C-C18 (WP 0012,
Figure 13).
3. Using digital multimeter
Continuity Replace engine wiring
(WP 0174), test for continuity
harness (WP 0299) and lighting fuse
between connector EN-C2
(WP 0012, Figure 44, Item 8).
(WP 0012, Figure 12) terminal 16
Proceed to Test Step 12.
and ground.
No Continuity Replace lower cab
wiring harness (WP 0291) and lighting
fuse (WP 0012, Figure 44, Item 8).
Proceed to Test Step 12.
0123-5