TM 5-3805-298-23-1
0124
Table 1. One or Both Headlights Do Not Operate - Continued.
0124
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
One or Both Headlights Do
Test Step 10. Test for Voltage at
Not Operate - Continued
Lower Cab Wiring Harness.
1. Turn battery disconnect switch to
OFF position (TM 5-3805-298-10).
2. Disconnect connector LE-C2
(WP 0012, Figure 152) from
connector C-C9 (WP 0012,
Figure 153).
3. Turn battery disconnect switch ON
(TM 5-3805-298-10).
4. Using digital multimeter
Voltage 18 to 26 V Replace front
(WP 0174), test for voltage
frame wiring harness (WP 0301).
between connector C-C9
Proceed to Test Step 20.
(WP 0012, Figure 153) terminal 5
Voltage Less Than 18 V Replace
and terminal 2 (ground).
front lower cab wiring harness
(WP 0291).
Proceed to Test Step 20.
Test Step 11. Test for Faulty Military
Light Switch.
1. Turn battery disconnect switch to
OFF position (TM 5-3805-298-10).
2. Remove military light switch
(WP 0257).
3. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0174), measure resistance
Proceed to Test Step 12.
between military light switch
Resistance Greater Than 5.0 Ohms
connector (WP 0012, Figure 142)
Replace military light switch (WP 0257).
terminal M and terminal F.
Proceed to Test Step 20.
Test Step 12. 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).
0124-6
