TM-9-2320-366-20-2

M1083 SERIES, 5 TON, 6x6, MEDIUM TACTICAL VEHICLES (MTV)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 2 OF 5

FEBRUARY 2006

CHANGE 3

TM-9-2320-366-20-2 - Page 596 of 1632

KNOWN INFO

TEST OPTIONS

REASON FOR QUESTION

Is 24 VDC present at

terminal block TB9?

WARNING

Read WARNING

on following page.

Voltage Test or

STE/ICE-R Test #89

12.

LH and RH winches operate

from wrecker control panel.

Circuit breaker CB50 OK.

STATION SELECTOR switch to

WRECKER CONTROL PANEL.

MODE SELECTOR SWITCH to

NORMAL.

Jumper wires OK.

POSSIBLE PROBLEMS

Faulty STATION SELECTOR

switch.

Faulty M1089 control panel

wiring harness.

Faulty M1089 control panel

power cable assembly.

Faulty M1089 rear lights cable

assembly.

Faulty auxiliary panel cable

assembly.

Faulty dashboard cable

assembly.

e139. MAIN WINCH LH OR RH SPEED SWITCH DOES NOT OPERATE FROM WRECKER

CONTROL PANEL (CONT)

TM 9-2320-366-20-2

2-1450.18

Change 1

If 24 VDC is not present, go to

step 15 of this fault.

If 24

VDC is present M1089 control

panel wiring harness and/or

STATION SELECTOR switch is

faulty.

NO

YES

Go to step 15 of this fault.

Replace M1089 control panel wiring

harness (para 7-83) and STATION

SELECTOR switch (para 7-34).