TM 5-3805-296-23-2
0143
Table 1. One or Both Headlights Fail To Operate in Low Beam Continued.
0143
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Disconnect connector H-C9
One or Both Headlights Fail
(WP 0012, Figure 242)
To Operate in Low Beam
from military light switch
Continued
(WP 0012, Figure 241).
4. Turn mode switch on military light
switch to SER. DRIVE position
(TM 5-3805-296-10).
5. Using digital multimeter
Resistance 5.0 Ohms or Less Turn
(WP 0540), measure resistance
mode switch on military light switch to
between military light switch
OFF position (TM 5-3805-296-10).
terminal F and terminal M
Proceed to Test Step 10.
(WP 0012, Figure 241).
Resistance Greater Than 5.0 Ohms
Replace military light switch (WP 0517).
Proceed to Test Step 17.
Test Step 10. Test Headliner Wiring
Harness for High Resistance or
Open.
1. Disconnect connector H-C7
(WP 0012, Figure 225)
from connector W-C2
(WP 0012, Figure 224).
2. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0540), measure resistance
Proceed to Test Step 11.
between connector H-C7
Resistance Greater Than 5.0 Ohms
terminal 30 (WP 0012, Figure 225)
Replace headliner wiring harness
and connector H-C9 terminal M
(WP 0497).
(WP 0012, Figure 242).
Proceed to Test Step 17.
Test Step 11. Test Main Cab Wiring
Harness for High Resistance or
Open.
1. Disconnect connector J-C8
(WP 0012, Figure 100)
from connector W-C1
(WP 0012, Figure 99).
2. Using digital multimeter (WP 0540)
Resistance 5.0 Ohms or Less
and assistance, measure
Proceed to Test Step 12.
resistance between
Resistance Greater Than 5.0 Ohms
connector W-C1 terminal 24
Replace main cab wiring harness
(WP 0012, Figure 99) and
(WP 0505).
connector W-C2 terminal 30
Proceed to Test Step 17.
(WP 0012, Figure 224).
Test Step 12. Test Chassis Wiring
Harness for High Resistance or
Open.
1. Disconnect connector L-C2
(WP 0012, Figure 192)
from connector J-C1
(WP 0012, Figure 191).
0143-6
