TM 10-3930-675-24-1
TROUBLESHOOTING PROCEDURES (NON-ERROR CODE) - CONTINUED
0007 00
Table 2. Electrical Troubleshooting Procedures (Non-Error Code) - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. Blackout Drive and Marker Lights Do Not 7. Check continuity, using the Replace damaged or open harness
Operate When Switch is Turned On -
wiring diagram, of the blackout or connectors (WP 0113 00).
Continued.
drive marker light wiring
harnesses from X11 pin 3 to left
front blackout position light,
X12 pin 1 to right front blackout
position light, X14 pin 1 to right
blackout taillight, X15 pin 3 to
the left blackout taillight, and
X11 pin 9 to blackout headlight.
USMC includes additional
connectors to the blackout
lights at the fender brackets
(X11A, X12A, X14A, and
X15A).
6. Blackout Stoplights Not Working.
1. Check the operation of the If stoplights are not working,
normal stoplights.
perform troubleshooting
procedure for "Stoplight(s) Do
Not Operate When Brake Pedal is
Pressed " in this work package.
2. Check position of blackout Place blackout drive/marker light
drive/marker light switch.
switch in ON position.
3. Inspect stoplights for damage a. Replace burned out lamps
or burned out lamps.
(WP 0087 00).
b. Replace damaged blackout
stoplights (WP 0087 00).
4. Check blackout stoplight Repair or replace damaged
wiring
harnesses
and harnesses or connectors (WP
connectors for damage.
0113 00).
5. Check voltage (24V) at XK13 a. If no voltage (24V) is found,
pin 3 with the ignition on and
remove relay 3010 and test
the brake pedal depressed.
(WP 0113 00).
(Ensure the hydraulic brake
pressure is built up).
b. Replace damaged or faulty
relay (WP 0074 00).
0007 00-29
