TM 5-3805-298-23-2
0134
Table 1. One or Both Front Work Lights Do Not Operate - Continued.
0134
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. Observe operation of front work
Front Work Lights Operate Swap
One or Both Front Work
lights (TM 5-3805-298-10).
blackout flood light relay back to
Lights Do Not Operate -
blackout horn relay position and replace
Continued
blackout flood light relay (TM 5-3805-
298-10).
Proceed to Test Step 31.
Front Work Lights Do Not Operate
Proceed to Test Step 13.
Test Step 13. Test for Voltage at
Blackout Flood Light Relay.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-298-10).
2. Remove blackout flood light relay
from fuse panel (TM 5-3805-298-
10).
3. Turn battery disconnect switch and
ignition switch to ON position
(TM 5-3805-298-10).
4. Using digital multimeter
Voltage 18 to 24 V Proceed to step 5.
(WP 0174), test for voltage
Voltage Less Than 18 V Replace
between connector C-C31
lower cab wiring harness (WP 0291).
(WP 0012, Figure 74) terminal A3
Proceed to Test Step 31.
and A2.
5. Using digital multimeter
Voltage 18 to 24 V Install blackout
(WP 0174), test for voltage
flood light relay to fuse panel
between connector C-C31
(TM 5-3805-298-10). Proceed to Test
(WP 0012, Figure 74) terminal A1
Step 14.
and A2.
Voltage Less Than 18 V Proceed to
Test Step 15.
Test Step 14. Test for Open Main Cab
Wiring Harness.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-298-10).
2. Remove right lower cab access
panels (WP 0347).
3. Disconnect connector HN-C1
(WP 0012, Figure 66) from
connector C-C1 (WP 0012,
Figure 65).
0134-7
