TM 5-3805-298-23-1
0124
Table 1. One or Both Headlights Do Not Operate - Continued.
0124
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Using digital multimeter
Continuity Replace front roading light
One or Both Headlights Do
(WP 0174), test for continuity
wiring harness (WP 0274).
Not Operate - Continued
between connector WH-C1RH
Proceed to Test Step 20.
(WP 0012, Figure 150) terminal 6
No Continuity Proceed to step 4.
and 2 (ground).
4. Using digital multimeter
Continuity Replace front roading light
(WP 0174), test for continuity
wiring harness (WP 0274).
between connector WH-C1LH
Proceed to Test Step 20.
(WP 0012, Figure 146) terminal 6
No Continuity Replace front frame
and 2 (ground).
wiring harness (WP 0301).
Proceed to Test Step 20.
Test Step 18. 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).
between connector EN-C2
Proceed to Test Step 20.
(WP 0012, Figure 12) terminal 16
No Continuity Replace lower cab
and ground.
wiring harness (WP 0291).
Proceed to Test Step 20.
Test Step 19. 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).
between connector HN-C1
Proceed to Test Step 20.
(WP 0012, Figure 66) terminal 19
No Continuity Replace lower cab
and ground.
wiring harness (WP 0291).
Proceed to Test Step 20.
Test Step 20. Verify Malfunction Is
Resolved.
1. Ensure all harness connectors are
connected.
2. Install left engine access panel
(WP 0350).
0124-10
