TM 5-3805-298-23-2
0135
Table 1. One or Both Rear Work Lights Do Not Operate - Continued.
0135
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. Using digital multimeter
One or Both Rear Work
Resistance 5.0 Ohms or Less
(WP 0174), measure resistance
Lights Do Not Operate -
Proceed to Test Step 13.
between connector EN-C2
Continued
Resistance Greater Than 5.0 Ohms
(WP 0012, Figure 12) terminal 16
Replace engine wiring harness
and ground.
(WP 0299).
Proceed to Test Step 21.
Test Step 13. Test for Faulty Military
Light Switch.
1. Remove military light switch
(WP 0257).
2. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0174), measure resistance
Proceed to Test Step 14.
between military light switch
Resistance Greater Than 5.0 Ohms
connector (WP 0012, Figure 142)
Replace military light switch (WP 0257).
terminal J and terminal F.
Proceed to Test Step 21.
Test Step 14. Test for Open Main Cab
Wiring Harness.
1. Install military light switch
(WP 0257).
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).
4. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0174), measure resistance
Replace lower cab wiring harness
between connector HN-C1
(WP 0291).
(WP 0012, Figure 66) terminal 14
Proceed to Test Step 21.
and terminal 13.
Resistance Greater Than 5.0 Ohms
Replace main cab wiring harness
(WP 0293).
Proceed to Test Step 21.
Test Step 15. Test for Lamps Fuse
Replacement.
1. Turn battery disconnect switch and
ignition switch to ON position
(TM 5-3805-298-10).
2. Observe operation of rear work
Rear Work Lights Operate Proceed
lights (TM 5-3805-298-10).
to Test Step 21.
Rear Work Lights Do Not Operate
Proceed to step 3.
3. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-298-10).
0135-7
