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 582 of 1632
KNOWN INFO
TEST OPTIONS
REASON FOR QUESTION
This question eliminates
possible problems and
determines where
troubleshooting continues.
YES
NO
Voltage Test or
STE/ICE-R Test #89
WARNING
Read WARNING
on following page.
5.
TM 9-2320-366-20-2
2-1450.4
Change 1
e139. MAIN WINCH LH OR RH SPEED SWITCH DOES NOT OPERATE FROM WRECKER
CONTROL PANEL (CONT)
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.
POSSIBLE PROBLEMS
Faulty MAIN WINCH LH
SPEED switch.
Faulty M1089 control panel
wiring harness.
Faulty M1089 30K winch
control wiring harness.
Faulty jumper wire.
Faulty wrecker hydraulic
system.
Is 24 VDC present at
terminal lug on wire 14?
Go to step 13 of this fault.
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