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
One or Both Blackout
Test Step 7. Test for Open Rear
Stoplights Do Not Operate -
Frame Wiring Harness.
Continued
1. Remove right lower cab access
panels (WP 0347).
2. Disconnect connector M-C1
(WP 0012, Figure 57) from
connector C-C20 (WP 0012,
Figure 56).
3. Using digital multimeter
Resistance 5.0 Ohms or Less
(WP 0174), measure resistance
Replace lower cab wiring harness
between connector M-C1
(WP 0291).
(WP 0012, Figure 57) terminal 24
Install rear tail and backup lamp
and ground.
housing (WP 0272).
Proceed to Test Step 8.
Resistance Greater Than 5.0 Ohms
Replace rear frame wiring harness
(WP 0295).
Install rear tail and backup lamp
housing (WP 0272).
Proceed to Test Step 8.
Test Step 8. Verify Malfunction Is
Resolved.
1. Ensure all harness connectors are
connected.
2. Install military light switch panel
(WP 0257).
3. Install right lower cab access
panels (WP 0347).
4. Turn battery disconnect switch to
ON position
(TM 5-3805-298-10).
5. Turn the military light switch to
B.O. Drive position (TM 5-3805-
298-10).
6. While an assistant presses the
Both Blackout Stoplights Operate
brake pedal, observe operation of
Troubleshooting complete.
both blackout stoplights
One or Both Blackout Stoplights Do
(TM 5-3805-298-10).
Not Operate Repeat troubleshooting
from the beginning.
END OF WORK PACKAGE
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