TM 5-3805-298-23-2
0133
Table 1. One or Both Blackout Stoplights Do Not Operate - Continued.
0133
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
6. Using digital multimeter
One or Both Blackout
Voltage 18 to 26 V Replace RH rear
(WP 0174), test for voltage
Stoplights Do Not Operate -
tail light (WP 0272).
between connector M-C10
Continued
Proceed to Test Step 8.
terminal 1 and M-C13 terminal 1
Voltage Less Than 18 V Replace
(ground) (WP 0012, Figure 158).
rear frame wiring harness (WP 0295).
Install right rear tail and backup lamp
housing (WP 0272).
Proceed to Test Step 8.
Test Step 3. Test for Voltage at LH
Blackout Stoplight.
1. Turn battery disconnect switch to
OFF position (TM 5-3805-298-10).
2. Remove left rear tail and backup
lamp housing (WP 0272) and
position aside.
3. Disconnect connector M-C17 and
M-C23 (WP 0012, Figure 157)
from left rear tail light.
4. Turn battery disconnect switch ON
(TM 5-3805-298-10).
5. Have an assistant press and hold
the brake pedal in (TM 5-3805-
298-10).
6. Using digital multimeter
Voltage 18 to 26 V Replace LH rear
(WP 0174), test for voltage
taillight (WP 0272).
between connector M-C17
Proceed to Test Step 8.
terminal 1 and M-C23 terminal 1
Voltage Less Than 18 V Replace
(ground) (WP 0012, Figure 157).
rear frame wiring harness (WP 0295).
Install left rear tail and backup lamp
housing (WP 0272).
Proceed to Test Step 8.
Test Step 4. Test for Faulty Military
Light Switch.
1. Turn 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-C21
(WP 0012, Figure 141) from
military light switch (WP 0012,
Figure 142).
0133-3
