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 1120 of 1824

TM 9-2320-366-20-1

e49. ONE OR BOTH COMPOSITE TAILLIGHTS DO NOT ILLUMINATE

2-606

Change 1

Perform Electrical System Troubleshooting

e1. Circuit Breaker Does Not Operate on

circuit breaker CB80 prior to beginning this

task.

NOTE

START

1.

Does LH or RH composite

taillight illuminate?

KNOWN INFO

Other service light illuminates.

Circuit breaker CB80 OK.

POSSIBLE PROBLEMS

Faulty lamp.

Faulty rear lights cable

assembly.

Faulty composite taillight

assembly.

Faulty dashboard cable

assembly.

Faulty relay K20.

Faulty main light switch.

TEST OPTIONS

NO

Go to step 6 of this fault.

YES

This question eliminates

possible problems and

determines where

troubleshooting continues.

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

Packing, Preformed (Item 191, Appendix G)

Lockwasher (2) (Item 96, Appendix G)

Personnel Required

(2)

References

TM 9-4910-571-12&P

Operational Test

REASON FOR QUESTION