TM-9-2320-365-20-1

M1078 SERIES, 2 1/2-TON, 4 X 4, LIGHT MEDIUM TACTICAL VEHICLES (LMTV)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 1 OF 5

FEBRUARY 2006

CHANGE 3

TM-9-2320-365-20-1 - Page 1174 of 1760

KNOWN INFO

7.

TEST OPTIONS

CAUTION

Read CAUTION

on following page.

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.

Replace intervehicular

24 VDC cable (para 7-79).

e64. TRAILER LEFT STOP/TURN LIGHT DOES NOT ILLUMINATE (CONT)

Is continuity present from

connector P51 socket 15

to connector P53R

pin 8?

TM 9-2320-365-20-1

2-778

Change 1

Towing vehicle left stop/turn

light OK.

Circuit breaker CB43 OK.

Trailer electrical system OK.

Dashboard cable assembly OK.

Relay K30 OK.

If continuity is not present,

wire 461T is faulty.

If

continuity is present,

intervehicular 24 VDC (12 pin)

cable is faulty.

Repair wire 461T from connector P51

socket 15 to connector P53R pin 8

(para 2-40) or replace rear lights

cable assembly (para 7-75).

YES

NO