TM-9-2320-366-20-1

M1083 SERIES, 5 TON, 6x6, MEDIUM TACTICAL VEHICLES (MTV)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 1 OF 5

FEBRUARY 2006

CHANGE 3

TM-9-2320-366-20-1 - Page 1390 of 1824

TM 9-2320-366-20-1

e69. TRAILER BLACKOUT STOPLIGHTS DO NOT ILLUMINATE

2-826

Change 1

NOTE

INITIAL SETUP

Equipment Condition

Engine shut down (TM 9-2320-366-10-1).

Tools and Special Tools

Tool Kit, Genl Mech (Item 46, Appendix C)

STE/ICE-R (Item 41, Appendix C)

Multimeter, Digital (Item 22, Appendix C)

Material/Parts

Wire, Elect, 50 ft (Item 71, Appendix D)

Personnel Required

(2)

References

TM 9-4910-571-12&P

Perform Electrical System Troubleshooting

e1. Circuit Breaker Does Not Operate on

circuit breaker CB39 prior to beginning this

task.

START

KNOWN INFO

TEST OPTIONS

WARNING

CAUTION

Read WARNING and

CAUTION on

following page.

Voltage Test or

STE/ICE-R Test #89

If 24 VDC is present, trailer

electrical system is faulty.

Faulty trailer electrical system.

Faulty dashboard cable

assembly.

Faulty relay K27.

Faulty rear lights cable

assembly.

Faulty rear intervehicular

24 VDC (12 pin) cable.

Is 24 VDC present at

connector J130 socket F?

Towing vehicle blackout

stoplights OK.

Circuit breaker CB39 OK.

NO

YES

Go to step 2 of this fault.

Troubleshoot trailer electrical

system per trailer technical manual.

1.

POSSIBLE PROBLEMS

REASON FOR QUESTION