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Page Title:
M1088/M1089 WORKLIGHTS DO NOT ILLUMINATE (CONT) |
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 TM 9-2320-366-20-2
e148. M1088/M1089 WORKLIGHTS DO NOT ILLUMINATE (CONT)
KNOWN INFO
TEST OPTIONS
2.
Continuity Test or
Circuit breakers CB71, CB72,
STE/ICE-R Test #91
Is continuity present from
and CB74 OK.
REASON FOR QUESTION
worklight switch terminal
Hazard lights illuminate.
1 to terminal 5?
Light bulb OK.
If continuity is not present,
Auxiliary panel cable
worklights switch is faulty.
assembly OK.
Relay K9 OK.
Diode D2B OK.
POSSIBLE PROBLEMS
Faulty worklights switch.
NO
Faulty dashboard cable
assembly.
Faulty relay K12.
Replace worklights
YES
switch (para 7-18).
2-1542
Change 1
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