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 960 of 1760

KNOWN INFO

TEST OPTIONS

REASON FOR QUESTION

6.

WARNING

CAUTION

Read WARNING and

CAUTION on

following page.

e48. ONE OR BOTH COMPOSITE TAILLIGHTS DO NOT ILLUMINATE (CONT)

NO

YES

Voltage Test or

STE/ICE-R Test #89

Go to step 10 of this fault.

2-594

Change 1

Is 12 VDC present at

connector J51 pin 3?

Other service light illuminates.

Circuit breaker CB80 OK.

POSSIBLE PROBLEMS

Faulty rear lights cable

assembly.

Faulty dashboard cable

assembly.

Faulty relay K20.

Faulty main light switch.

If 12 VDC is not present, go

to step 10 of this fault.

If

12 VDC is present, wire 21

from connector P51 socket 3

to splice E20 is faulty.

Repair wire 21 from connector P51

socket 3 to splice E20 (para 2-40)

or replace rear lights cable

assembly (para 7-75).

TM 9-2320-365-20-1