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Page Title:
MAIN WINCH LH OR RH SPEED SWITCH DOES NOT OPERATE FROM WRECKER CONTROL PANEL (cont) |
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 TM 9-2320-366-20-2
e139. MAIN WINCH LH OR RH SPEED SWITCH DOES NOT OPERATE FROM WRECKER
CONTROL PANEL (CONT)
WARNING
Read WARNING
KNOWN INFO
TEST OPTIONS
on following page.
4.
LH and RH winches operate
Operational Test
from wrecker control panel.
Does MAIN WINCH RH
REASON FOR QUESTION
Circuit breaker CB50 OK.
SPEED switch operate?
STATION SELECTOR switch to
This question eliminates
WRECKER CONTROL PANEL.
possible problems and
MODE SELECTOR SWITCH to
determines where
NORMAL.
troubleshooting continues.
POSSIBLE PROBLEMS
NO
Faulty STATION SELECTOR
switch.
Faulty MAIN WINCH LH
SPEED switch.
Faulty MAIN WINCH RH
SPEED switch.
YES
Go to step 9 of this fault.
Faulty M1089 control panel
wiring harness.
Faulty M1089 30K winch
control wiring harness.
Faulty M1089 control panel
power cable assembly.
Faulty M1089 rear lights cable
assembly.
Faulty auxiliary panel cable
assembly.
Faulty dashboard cable
assembly.
Faulty jumper wire.
Faulty wrecker hydraulic
system.
2-1450.2
Change 1
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