ALL M1089 CONTROL FUNCTIONS DO NOT OPERATE FROM WRECKER CONTROL PANEL AND WRECKER REMOTE CONTROL (cont)

TM 9-2320-366-20-2

e136. ALL M1089 CONTROL FUNCTIONS DO NOT OPERATE FROM WRECKER CONTROL PANEL AND

e136.

WRECKER REMOTE CONTROL (CONT)

KNOWN INFO

TEST OPTIONS

Circuit breaker OK.

Continuity Test or

Mode selector switch in

STE/ICE-R Test #91

Is continuity present

NORMAL position.

between connector J4-a

REASON FOR QUESTION

Hydraulic functions OK.

and J4-b and wrecker

If continuity is not present,

Pneumatic functions OK.

control panel terminal

wire 9 is faulty. If

Station selector

board position C?

continuity is present, wire

switch OK.

3087 is faulty.

Dashboard cable

assembly OK.

POSSIBLE PROBLEMS

Faulty wrecker control

panel wiring harness.

Faulty rear lights cable

assembly.

Repair wire 9 (para 2-45) or

replace wrecker control panel

wiring harness (para 7-83).

YES

Repair wire 3087 (para 2-45) or

replace rear lights cable

assembly (para 7-104).

2-1434