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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)
KNOWN INFO
TEST OPTIONS
9.
Continuity Test or
LH and RH winches operate
STE/ICE-R Test #91
from wrecker control panel.
Is continuity present
REASON FOR QUESTION
Circuit breaker CB50 OK.
between terminal blocks
STATION SELECTOR switch to
If continuity is not present,
TBC(1), TBC(2), TBC(3),
WRECKER CONTROL PANEL.
jumper wire is faulty.
TBC(4), and TBC(5).
MODE SELECTOR SWITCH to
NORMAL.
POSSIBLE PROBLEMS
Faulty STATION SELECTOR
NO
switch.
Faulty M1089 control panel
wiring harness.
Faulty M1089 control panel
Replace jumper wire between terminal
power cable assembly.
YES
blocks that continuity is not present
Faulty M1089 rear lights cable
(para 7-33).
assembly.
Faulty auxiliary panel cable
assembly.
Faulty dashboard cable
assembly.
Faulty jumper wire.
2-1450.12
Change 1

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