TM 5-3805-261-23-1
ELECTRICAL SYSTEM TROUBLESHOOTING PROCEDURES - CONTINUED
0008 00
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2.
Check wiring harness for corrosion,
Repair wiring harness if damaged or
12. All Driving, Tail, and Panel
cracks, and breaks at circuit breaker
defective (WP 0021 00).
Lights Fail to Operate -
connection.
Continued.
1.
Check stop lights fuse (10A), and
Replace fuse if blown (WP 0096 00). If
13. All Stop/Tail, Panel, and
operator panel fuse (5A).
Articulation Lights Fail to
the problem still exists, go to Test 2.
Operate.
2.
Test continuity of stop light switch.
If multimeter indicates no reading, the
Connect multimeter to back of
circuit does not have continuity. Replace
switch.
stop light switch (WP 0117 00). If the
problem still exists, go to Test 3.
3.
Check wiring harness for corrosion,
Repair wiring harness if damaged or
cracks, and breaks.
defective (WP 0021 00). Replace wiring
harness if repair is not possible (WP 0285
00 or WP 0289 00).
1.
Check headlight circuit breaker
Replace if defective. If the problem still
14. Headlights Fail to Operate.
(15A).
exists, go to Test 2.
2.
Test the continuity of the headlight
If the multimeter indicates no reading, the
switch.
circuit does not have continuity. Replace
light switch (WP 0101 00). If the problem
still exists, go to Test 3.
3.
Test the continuity of the dimmer
If multimeter indicates no reading, the
switch. Connect multimeter to back
circuit does not have continuity. Replace
of switch.
dimmer switch (WP 0103 00). If the
problem still exists, go to Test 4.
4.
Check wiring harness for corrosion,
Repair wiring harness if damaged or
cracks, and breaks.
defective (WP 0021 00). Replace wiring
harness if necessary (WP 0288 00).
1.
Check the bulb.
If the bulb is burned out, replace. If the
15. Individual Light Fails to
Operate.
problem still exists, go to Test 2.
2.
Check the wiring harness.
Repair wiring harness if damaged or
defective (WP 0021 00). Replace wiring
harness if necessary (WP 0285 00 through
WP 0289 00). If the problem still exists,
go to Test 3.
3.
Check individual light socket.
Replace light socket if corrosion is
evident or if socket is damaged or
defective. If the problem still exists, go to
Test 4.
