TM-9-2320-366-20-2

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

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 2 OF 5

FEBRUARY 2006

CHANGE 3

TM-9-2320-366-20-2 - Page 732 of 1632

INITIAL SETUP

Equipment Condition

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

Personnel Required

(2)

Material/Parts

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

TM 9-2320-366-20-2

e148. M1088/M1089 WORKLIGHTS DO NOT ILLUMINATE

KNOWN INFO

TEST OPTIONS

NO

YES

WARNING

CAUTION

Read WARNING and

CAUTION on

following page.

Voltage Test or

STE/ICE-R Test #89

START

NOTE

Go to step 7 of this fault.

2-1540

Change 1

Circuit breakers CB71, CB72,

and CB74 OK.

Hazard lights illuminate.

Light bulb OK.

Faulty worklights switch.

Faulty dashboard cable

assembly.

Faulty relay K12.

Faulty auxiliary panel cable

assembly.

Faulty diode D2B.

Faulty relay K9.

Is 12 VDC present at

connector P905 socket 5?

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)

Wrench, Torque, 0-200 lb-in (Item 59, Appendix C)

References

TM 9-4910-571-12&P

Perform Electrical System Troubleshooting

e1. Circuit Breaker Does Not Operate on

circuit breakers CB71, CB72, and CB74

prior to beginning this task.

This question eliminates

possible faults and

determines where

troubleshooting continues.

REASON FOR QUESTION

POSSIBLE PROBLEMS

1.