e63. TRAILER RIGHT STOP/TURN LIGHT DOES NOT ILLUMINATE
TM 9-2320-365-20-1
2-760 Change 1
Perform Electrical System Troubleshooting
e1. Circuit Breaker Does Not Operate on
circuit breaker CB44 prior to beginning this task.
NOTE
INITIAL SETUP
Equipment Condition
Engine shut down (TM 9-2320-365-10).
Tools and Special Tools
Tool Kit, Genl Mech (Item 44, Appendix C)
STE/ICE-R (Item 39, Appendix C)
Multimeter, Digital (Item 22, Appendix C)
Material/Parts
Wire, Elect, 50 ft (Item 77, Appendix D)
Personnel Required
(2)
References
TM 9-4910-571-12&P
START
WARNING
CAUTION
Read WARNING and
CAUTION on
following page.
1.
Is 24 VDC present at
connector J130 socket J?
TEST OPTIONS
Voltage Test or
STE/ICE-R Test #89
REASON FOR QUESTION
If 24 VDC is present, trailer
electrical system is faulty.
KNOWN INFO
Towing vehicle right stop/turn
light OK.
Circuit breaker CB44 OK.
POSSIBLE PROBLEMS
Faulty trailer electrical system.
Faulty dashboard cable
assembly.
Faulty relay K31.
Faulty rear lights cable
assembly.
Faulty rear intervehicular
24 VDC (12 pin) cable.
Troubleshoot trailer electrical
system per trailer technical
manual.
NO
Go to step 2 of this fault.
YES
