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 1194 of 1824

TM 9-2320-366-20-1

TEST OPTIONS

TEST OPTIONS

REASON FOR QUESTION

REASON FOR QUESTION

e52. ONE OR BOTH REAR BLACKOUT MARKER LIGHTS DO NOT ILLUMINATE (CONT)

KNOWN INFO

KNOWN INFO

2-640

Change 1

3.

4.

YES

NO

YES

NO

Continuity Test or

STE/ICE-R Test #91

Front blackout marker lights

illuminate.

One rear blackout marker light

illuminates.

Dashboard cable assembly OK.

POSSIBLE PROBLEMS

Faulty rear lights cable

assembly.

Faulty rear blackout marker

light LED.

Faulty composite taillight

assembly.

Front blackout marker lights

illuminate.

One rear blackout marker light

illuminates.

Dashboard cable assembly OK.

Rear lights cable assembly OK.

POSSIBLE PROBLEMS

Faulty rear blackout marker

light LED.

Faulty composite taillight

assembly.

Is continuity present from

LED socket to ground?

Continuity Test or

STE/ICE-R Test #91

Is continuity present from

LED socket and inside of rear

taillight housing?

Repair wire 3094 from terminal lug TL18 to

terminal

lug TL93 or wire 3095 from terminal lug

TL21 to terminal lug TL92 (para 2-45) or replace

rear lights cable assembly (para 7-84 or 7-104).

Replace composite taillight assembly (para 7-39).

Replace rear blackout marker light LED (para 7-39).

If continuity is not present,

composite taillight assembly

is faulty.

If continuity is

present, rear blackout marker

light LED is faulty.

If continuity is not present,

wire 3094 (LH rear blackout

marker light) or wire 3095 (RH

rear blackout marker light is

faulty.