M1088/M1089 WORKLIGHTS DO NOT ILLUMINATE (CONT)

TM 9-2320-366-20-2

e148. M1088/M1089 WORKLIGHTS DO NOT ILLUMINATE (CONT)

WARNING

Read WARNING

KNOWN INFO

TEST OPTIONS

on following page.

Voltage Test or

Circuit breakers CB71, CB72,

STE/ICE-R Test #89

and CB74 OK.

Is 12 VDC present at

REASON FOR QUESTION

Hazard lights illuminate.

relay K12 terminal 86?

Light bulb OK.

If 12 VDC is not present,

Auxiliary panel cable

wire 1673 is faulty.

assembly OK.

Relay K9 OK.

Diode D2B OK.

Worklights switch OK.

POSSIBLE PROBLEMS

Faulty dashboard cable

assembly.

Faulty relay K12.

Repair wire 1673 from relay K12

terminal 86 on PDP to connector

J913 pin 1 (para 2-45) or replace

YES

WTEC II dashboard cable assembly

(para 7-10) or WTEC III dashboard cable

assembly (para 7-11).

2-1544

Change 1