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
11.IR Work Light(s) Do Not Operate When
5. Check voltage (24V) at X6
a. If no voltage (24V) is found,
Switch is Turned On - Continued.
pin 8 and X7 pin 7 with the
remove IR work light and
blackout drive marker light
blackout drive/marker switch
switch and IR work light
from the instrument panel
switch turned on.
and check for continuity.
b. Replace damaged or faulty
switch (WP 0073 00).
c. If switch is good, use the
wiring diagram to check the
continuity of wires A77, 77,
1211, and 68 (WP 0048 00-
40).
d. Repair or replace damaged
wires or connectors (WP
0113 00).
6. Check voltage (24V) at X15
a. If no voltage found, check
pin 5, X11 pin 5, X31 pin 3,
continuity of wires A155,
X151 pin 3, X157 pin 7, and
A115, A313, 313, A1513,
X169 pin 7 with the blackout
and WH (WP 0048 00-40,
drive marker light switch and
IR work light switch turned
00-45, and WP 0048 00-46).
on.
b. Repair or replace damaged
wires or connectors (WP
0113 00).
7. Check continuity, using the
Replace damaged or open
wiring diagram, of the IR
harness or connectors (WP 0113
work light wiring harnesses
00).
from X16 pin 7 to left and
right boom IR work lights,
X15 pin 5 to left rear IR work
light, and X11 pin 5 to left
front IR work light (WP 0048
00-43, WP 0048 00-45, and
includes
additional
connectors to the IR work
lights at the fender brackets
(X11A and X15A).
0007 00-38
