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 600 of 1632

KNOWN INFO

TEST OPTIONS

REASON FOR QUESTION

Continuity Test or

STE/ICE-R Test #91

Is continuity present

between terminal blocks

TBC(1), TBC(2), TBC(3),

TBC(4), and TBC(5).

If continuity is not present,

jumper wire is faulty.

If

continuity is present, M1089

30K winch control wiring is

faulty.

NO

YES

Replace jumper wire between terminal

blocks that continuity is not present

(para 7-33).

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

CONTROL PANEL (CONT)

TM 9-2320-366-20-2

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.

STATION SELECTOR switch

OK.

MAIN WINCH RH SPEED

switch OK.

M1089 control panel power

cable assembly OK.

M1089 rear lights cable

assembly.

Auxiliary panel cable assembly

OK.

Dashboard cable assembly OK.

MAIN WINCH LH SPEED

switch OK.

M1089 control panel wiring

harness OK.

POSSIBLE PROBLEMS

Faulty M1089 30K winch

control wiring harness.

Faulty jumper wire.

14.

2-1450.22

Change 1

Replace M1089 30K winch control

wiring harness (para 7-142).