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 1198 of 1824

TM 9-2320-366-20-1

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

TEST OPTIONS

NO

REASON FOR QUESTION

KNOWN INFO

Voltage Test or

STE/ICE-R Test #89

YES

5.

Is 12 VDC present at

connector J51 pin 17?

Front blackout marker lights

illuminate.

Rear blackout marker light LED

OK.

Composite taillight assembly

OK.

POSSIBLE PROBLEMS

Faulty rear lights cable

assembly.

Faulty dashboard cable

assembly.

WARNING

CAUTION

Read WARNING and

CAUTION on

following page.

(2-643 Blank)/2-644

Change 1

If 12 VDC is not present, wire

24 is faulty.

Repair wire 24 from connector J51 pin 17 to

terminal board TB1 position 54 (para 2-45) or

replace WTEC II dashboard cable assembly

(para 7-10)

or WTEC III dashboard cable

assembly

(para 7-11).

Repair wire 24 from connector P76 (LH rear

blackout marker light) or P62 (RH rear blackout

marker light) to connector P51 socket 17 (para 2-45)

or replace rear lights cable assembly

(para 7-84 or para 7-104).