MAIN WINCH LH OR RH SPEED SWITCH DOES NOT OPERATE FROM WRECKER CONTROL PANEL (cont)

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

11.

Continuity Test or

LH and RH winches operate

STE/ICE-R Test #91

from wrecker control panel.

Is continuity present from

REASON FOR QUESTION

Circuit breaker CB50 OK.

terminal block TB9(a) to

STATION SELECTOR switch to

If continuity is not present,

terminal block TB9(b)?

WRECKER CONTROL PANEL.

jumper wire if faulty.

MODE SELECTOR SWITCH to

NORMAL.

POSSIBLE PROBLEMS

Faulty STATION SELECTOR

switch.

Faulty M1089 control panel

wiring harness.

Faulty M1089 control panel

Replace jumper wire from terminal

power cable assembly.

YES

block TB9(a) to terminal block TB9(b)

Faulty M1089 rear lights cable

(para 7-33).

assembly.

Faulty auxiliary panel cable

assembly.

Faulty dashboard cable

assembly.

Faulty jumper wire.

2-1450.16

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