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 1388 of 1824

TM 9-2320-366-20-1

KNOWN INFO

7.

NO

TEST OPTIONS

CAUTION

Read CAUTION

on following page.

YES

Continuity Test or

STE/ICE-R Test #91

REASON FOR QUESTION

POSSIBLE PROBLEMS

Faulty rear lights cable

assembly.

Faulty rear intervehicular

24 VDC (12 pin) cable.

e68. TRAILER BLACKOUT MARKER LIGHTS DO NOT ILLUMINATE (CONT)

If continuity is not present,

wire 484T is faulty.

If

continuity is present,

intervehicular 24 VDC (12 pin)

cable is faulty.

Is continuity present from

connector P51 socket 10

to connector P53R

sockets 7 and 9 and pin 10?

Towing vehicle blackout marker

lights OK.

Circuit breaker CB42 OK.

Trailer electrical system OK.

Dashboard cable assembly OK.

Relay K29 OK.

Replace intervehicular

24 VDC cable (para 7-129).

2-824

Change 1

Repair wire 484T from connector P51socket 10 to

connector P53R socket 7 or 9 or pin 10 (para 2-45)

or replace M1083/M1084/M1085/M1090/M1090/

M1092/M1093/M1094 rear lights cable assembly

(para 7-84) or M1086/M1088/M1089 rear lights

cable assembly (para 7-104).