TM 5-3805-292-23
0006
ELECTRICAL TROUBLESHOOTING - ONE OR MORE EXTERIOR LIGHT(S) INOPERATIVE CONTINUED
X
Check for continuity between light
relay #1 connector pin 85, fuse box
side and light relay #1 connector
Continuity
Perform Open Harness Test for
YES
pin 86, circuit 790EE (P), fuse box
present?
circuits 178 DA and 790 (WP 0173).
Center).
NO
T
Replace light relay #1
(TM 5-3805-292-10).
Check work light bulb (WP 0164
Bulb okay?
NO
and WP 0165).
YES
Place light switch on work light
position (TM 5-3805-292-10).
Remove light relay # 2 (TM 5-3805-
12V
Perform Open Harness Test for
292-10).
NO
Measure voltage between relay
present?
circuit 790 (WP 0173).
connector pin 30, circuit 790L (P),
fuse box side, or ground (WP 0175,
Frame 10. Power Center).
YES
Check for continuity between light
relay #2 connector pin 87A, circuit
Continuity
Replace light relay #2
790JJ (P), fuse box side, and
YES
present?
(TM 5-3805-292-10).
Power Center).
NO
Install light relay #2. Disconnect
rear work light (WP 0165). Turn on
power. Place light switch on rear
work light position (TM 5-3805-292-
12V
Perform Open Harness Test for circuit
10).
NO
present?
790 (WP 0173).
Measure voltage between work
light connector 33-A, circuit 790GG
(P), harness side, and ground (WP
YES
Y
CONTINUED