TM 10-3930-675-24-1
TROUBLESHOOTING PROCEDURES (NON-ERROR CODE) - CONTINUED
0007 00
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
SERVICE LIGHTS
1. Headlight(s) (High or Low Beam) Do Not 1. Check position of blackout Place blackout drive/marker light
Operate When Switch is Turned On.
drive/marker light switch.
switch in OFF position.
2. Check circuit breakers F16, a. Reset circuit
breakers
as
F18, F19, F20, and F21 for trip.
required.
b. If any breaker does not reset,
use the wiring diagram to
check circuit for short to
ground (WP 0048 00-41).
Replace any shorted or
grounded harnesses (WP 0113
00).
c. Replace damaged or faulty
circuit breaker (WP 0074 00).
3. Inspect headlights for damage a. Replace burned out lamps
or burned out lamps.
(WP 0084 00).
b. Replace damaged headlight
(WP 0084 00).
4. Check
headlight
wiring Repair or replace damaged
harnesses and connectors for harnesses or connectors (see WP
damage.
0113 00).
5. Check voltage (24V) at X6 pin a. If no voltage (24V) is found,
2 with the headlight switch
remove headlight switch and
turned on.
blackout drive/marker switch
from the instrument panel and
check for continuity.
b. Replace damaged or faulty
switch (WP 0073 00).
c. If switches are good, use the
wiring diagram to check the
continuity of wires A79, 79,
63B, and 62 (WP 0048 00-41).
d. Repair or replace damaged
wires or connectors (WP 0113
00).
6. Check voltage (24V) at X19 a. If no voltage is found, check
continuity of wire A62 (WP
pin 5 with the headlight switch
0048 00-41).
turned on.
0007 00-19
