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 734 of 1632

TEST OPTIONS

REASON FOR QUESTION

KNOWN INFO

NO

YES

2.

TM 9-2320-366-20-2

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

2-1542

Change 1

Continuity Test or

STE/ICE-R Test #91

POSSIBLE PROBLEMS

Circuit breakers CB71, CB72,

and CB74 OK.

Hazard lights illuminate.

Light bulb OK.

Auxiliary panel cable

assembly OK.

Relay K9 OK.

Diode D2B OK.

Faulty worklights switch.

Faulty dashboard cable

assembly.

Faulty relay K12.

If continuity is not present,

worklights switch is faulty.

Is continuity present from

worklight switch terminal

1 to terminal 5?

Replace worklights

switch (para 7-18).