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Page Title:
M1089 AMBER WARNING LIGHT DOES NOT ILLUMINATE (CONT) |
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 TM 9-2320-366-20-1
TM
e54. M1089 AMBER WARNING LIGHT DOES NOT ILLUMINATE (CONT)
e54.
WARNING
KNOWN INFO
TEST OPTIONS
Read WARNING
5.
Circuit breaker OK.
Voltage Test or
on following page.
Marker lights illuminate.
STE/ICE-R #89
Is 12 vdc present at
REASON FOR QUESTION
M1089 amber warning
connector PX12-5?
If 12 vdc is not present,
light assembly OK.
wire 1575 is faulty.
M1089 warning lights
cable assembly OK.
POSSIBLE PROBLEMS
NO
Faulty dashboard cable
assembly.
Repair wire 1575 (para 2-45)
Faulty warning light
or replace WTEC II dashboard cable
YES
switch.
assembly (para 7-10) or WTEC III
Faulty relay K13.
dashboard cable assembly (para 7-11).
Faulty warning light
cable assembly.
KNOWN INFO
TEST OPTIONS
6.
Circuit breaker OK.
Continuity Test or
Marker lights illuminate.
STE/ICE-R #91
Is continuity present
REASON FOR QUESTION
Warning light OK.
between warning light
If continuity is not present,
M1089 warning lights
switch terminals 1 and 5?
warning light switch is
cable assembly OK.
POSSIBLE PROBLEMS
faulty.
Faulty warning light
switch.
NO
Faulty dashboard cable
assembly.
Faulty relay K13.
Replace warning light
Faulty warning light cable
YES
switch (para 7-18).
assembly.
2-662
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