TM 5-3805-292-23
0006
ELECTRICAL TROUBLESHOOTING - ONE OR MORE EXTERIOR LIGHT(S) INOPERATIVE CONTINUED
Y
Check for continuity between work light
Repair circuit 178 (B) or replace
connector 33-B, circuit 178AH (B),
Continuity
NO
harness side, and ground (WP 0175,
present?
chassis wiring harness WP 0146).
Frame 25. Lights).
YES
Reconnect rear work light (WP 0165).
U
Bulb
Check front work light bulb (WP
Replace bulb (WP 0164).
NO
okay?
YES
Place light switch on work light position
(TM 5-3805-292-10).
Disconnect front work light
12V
Perform Open Harness Test for
NO
Measure voltage between work light
present?
circuit 790 (WP 0173).
connector 32-A or 34-A, circuit 790 (P),
harness side, and ground (WP 0175,
Frame 25. Lights).
YES
Check continuity between work light
Continuity
Perform Open Harness Test for
connector 32-B or 34-B, circuit 178E or
NO
178F (B), harness side, and ground (WP
present?
circuit 178 (WP 0173).
YES
Reconnect front work light (WP 0164).
V
Bulb
Check side light bulb (WP 0164).
Replace bulb (WP 0164).
NO
okay?
YES
Z
CONTINUED