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
9. Boom Work Light(s) Do Not Operate When 4. Check boom work lights Repair or replace damaged
Switch is Turned On - Continued.
wiring
harnesses
and harnesses or connectors (WP
connectors for damage.
0113 00).
5. Check voltage (24V) at X7 pin a. If no voltage (24V) is found,
1 and 3 with the boom work
remove boom work light
light switch turned on.
switch from the instrument
panel and check for continuity.
b. Replace damaged or faulty
switch (WP 0073 00).
c. If switch is good, use the
wiring diagrams to check the
continuity of wires A73, 73,
71, and A71 (WP 0048 00-46).
d. Repair or replace damaged
wires or connectors (WP 0113
00).
6. Remove relay 3013 and test Replace damaged or faulty relay
(WP 0113 00).
(WP 0074 00).
7. Check voltage (24V) at XK11 a. If no voltage is found, check
pin 6, X31 pin 1, X151 pin 1,
continuity of wires A311, 311,
X157 pin 5, and X169 pin 5
A1511, and YE (WP 0048 00-
with the boom work light
46).
switch turned on.
b. Repair or replace damaged
wires or connectors (WP 0113
00).
8. Disconnect two GY wires from a. If no resistance is found on
X169 pin 5. Check resistance
either wire, replace boom
between each wire and ground.
work light wiring harness (WP
(Ensure the boom work light
0113 00).
lamps are not burned out.)
b. Repair or replace damaged
wires or connectors (WP 0113
00).
0007 00-34
