TM 5-3805-298-23-2
0131
Table 1. Front and Rear Turn Signals Do Not Operate in Either Left or Right Positions,
Stoplights Operate Normally - Continued.
0131
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Front and Rear Turn Signals
Test Step 10. Test for Faulty Military
Do Not Operate in Either Left
Light Switch.
or Right Positions,
1. Turn ignition switch and battery
Stoplights Operate Normally
disconnect switch to OFF position
- Continued
(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 11.
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 25.
Test Step 11. 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 25.
and terminal 13.
Resistance Greater Than 5.0 Ohms
Replace main cab wiring harness
(WP 0293).
Proceed to Test Step 25.
Test Step 12. Test for Lamps Fuse
Replacement.
1. Turn battery disconnect switch and
ignition switch to ON position
(TM 5-3805-298-10).
2. Turn the military light switch to Ser.
Drive position and lower switch to
OFF (TM 5-3805-298-10).
3. Turn the turn signal switch to left
turn signal position (TM 5-3805-
298-10).
0131-6