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
10. Tophandler Work Light(s) Do Not Operate 1. Check position of blackout Place blackout drive/marker light
When Switch is Turned On.
drive/marker light switch.
switch in OFF position.
2. Check circuit breakers F17 in a. Reset circuit
breakers
as
cab distribution box and F43,
required.
(3), located in the tophandler
junction box, for trip.
b. If breaker does not reset, use
the wiring diagram to check
circuit for short to ground (WP
23). Replace any shorted or
grounded harnesses (WP 0113
00).
c. Replace damaged or faulty
circuit breaker (WP 0074 00).
3. Inspect tophandler work lights a. Replace burned out lamps
for damage or burned out
(WP 0085 00).
lamps.
b. Replace damaged tophandler
work lights (WP 0085 00).
4. Check tophandler work lights Repair or replace damaged
wiring
harnesses
and harnesses or connectors (WP
connectors for damage.
0113 00).
5. Check work light switch. Enter Should have a "1" next to
"EXTRA FUNC" 5(13) in the "WORK LIGHT ATTACH".
diagnostic menu. Press the
tophandler work light switch.
a. If there is a "0", continue with
step 6.
b. If there is a "1", continue with
step 8.
6. Check voltage (24V) at X67 a. If no voltage (24V) is found,
pin 8 and 9 with the tophandler
remove tophandler work light
work light switch turned on.
switch from the instrument
panel and check for continuity.
b. Replace damaged or faulty
switch (WP 0073 00).
0007 00-35
