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 1144 of 1824

TEST OPTIONS

REASON FOR QUESTION

KNOWN INFO

Other service light illuminates.

Circuit breaker CB80 OK.

Rear lights cable

assembly OK.

POSSIBLE PROBLEMS

Faulty main light switch.

Faulty dashboard cable

assembly.

Faulty relay K20.

Is 12 VDC present at

circuit breaker CB80

socket 1?

WARNING

Read WARNING

on following page.

Voltage Test or

STE/ICE-R Test #89

2-612.18

Change 1

14.

TM 9-2320-366-20-1

e49. ONE OR BOTH COMPOSITE TAILLIGHTS DO NOT ILLUMINATE (CONT)

If 12 VDC is present, wire 21

is faulty.

YES

Go to step 15 of this fault.

NO

Repair wire 21 from circuit breaker CB80 socket 2 on PDP

to connector J51 pin 3 (para 2-45) or replace WTEC II

dashboard cable assembly (para 7-10) or WTEC III

dashboard cable assembly (para 7-11).