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 1308 of 1824

TM 9-2320-366-20-1

e61. ONE OR BOTH STOPLIGHTS DO NOT ILLUMINATE (CONT)

2-750

Change 1

KNOWN INFO

TEST OPTIONS

REASON FOR QUESTION

8.

WARNING

CAUTION

Read WARNING and

CAUTION on

following page.

Voltage Test or

STE/ICE-R Test #89

Faulty rear lights cable

assembly.

Faulty dashboard cable

assembly.

Faulty diode D1B.

Faulty diode D2A.

POSSIBLE PROBLEMS

Blackout stoplights illuminate.

Main light switch OK.

Diode D1A OK.

Relay K10 OK.

Lamp OK.

Composite taillight assembly

OK.

Turn signal switch OK.

Is 12 VDC present at

connector J51 pin 5 (LH) or

connector J51 pin 4 (RH)?

If 12 VDC is present wire

461B (LH) or wire 460B (RH)

is faulty.

NO

Go to step 9 of this fault.

YES

Repair wire 461B from connector P51

socket 5 to connector P74 (LH) or wire 460B

from connector P51 socket 4 to connector

P61 (RH) or replace rear lights cable

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