M1088/M1089 WORKLIGHTS DO NOT ILLUMINATE IN BLACKOUT MODE WITH BLACKOUT OVERRIDE SWITCH ON

TM 9-2320-366-20-2

e151. M1088/M1089 WORKLIGHTS DO NOT ILLUMINATE IN BLACKOUT MODE WITH

BLACKOUT OVERRIDE SWITCH ON

INITIAL SETUP

Equipment Condition

Tools and Special Tools

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

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

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

Personnel Required

Multimeter, Digital (Item 22, Appendix C)

(2)

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

References

Materials/Parts

TM 9-4910-571-12&P

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

START

WARNING

KNOWN INFO

TEST OPTIONS

Read WARNING

Circuit breaker OK.

Voltage Test or

on following page.

Worklights normal

STE/ICE-R #89

Is 12 vdc present at

REASON FOR QUESTION

mode OK.

connector P906-5?

POSSIBLE PROBLEMS

This question eliminates

Faulty blackout override

possible problems and

switch.

determines where

Faulty dashboard cable

troubleshooting continues.

assembly.

Faulty auxiliary panel cable

assembly.

YES

Go to step 3 of this fault.

Faulty relay K12.

2-1566