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
5. Using digital multimeter
Voltage 18 to 28 V Replace lower cab
Do Not Operate in Either Left
(WP 0174), test for voltage
wiring harness (WP 0291).
or Right Positions,
between connector C-C31
Proceed to Test Step 25.
Stoplights Operate Normally
(WP 0012, Figure 74) terminal F1
Voltage Less Than 18 V Proceed to
- Continued
and F2.
Test Step 10.
Test Step 5. Test for Faulty Hazard
Switch.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-298-10).
2. Remove military light switch panel
for access to wiring harness
connectors (WP 0257).
3. Disconnect connector HN-C14
(WP 0012, Figure 167) from
hazard switch (WP 0012,
Figure 168).
4. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0174), measure resistance
Proceed to Test Step 6.
between hazard switch (WP 0012,
Resistance Greater Than 5.0 Ohms
Figure 168) terminal 1 and
Replace hazard switch (WP 0257).
terminal 2.
Proceed to Test Step 25.
Test Step 6. Test for Open Wiring
Harness.
1. Remove lamps fuse from fuse
panel (TM 5-3805-298-10).
2. Install a jumper wire between
terminal F2 and F3 of connector C-
C31 (WP 0012, Figure 74).
3. Connect connector HN-C14
(WP 0012, Figure 167) to hazard
switch (WP 0012, Figure 168).
4. Disconnect connector C-C1
(WP 0012, Figure 65) from
connector HN-C1 (WP 0012,
Figure 66).
5. 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 8
Proceed to Test Step 25.
and ground.
Resistance Greater Than 5.0 Ohms
Proceed to Test Step 7.
0131-4