Quantcast M1088/M1089 WORKLIGHTS DO NOT ILLUMINATE (CONT) - TM-9-2320-366-20-20744

 

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CONTINUITY TEST - TM-9-2320-366-20-20743
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TM-9-2320-366-20-2 M1083 Series 5-Ton 6 x 6 Medium Tactical Vehicles (MTV) Manual
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CONTINUITY TEST - TM-9-2320-366-20-20745
TM 9-2320-366-20-2
e148. M1088/M1089 WORKLIGHTS DO NOT ILLUMINATE (CONT)
KNOWN INFO
TEST OPTIONS
9.
Continuity Test or
Circuit breakers CB71, CB72,
STE/ICE-R Test #91
and CB74 OK.
Is continuity present from
REASON FOR QUESTION
Hazard lights illuminate.
relay K9 terminal 85 and
Light bulb OK.
a known good ground?
If continuity is not present,
Auxiliary panel cable
wire 3039 is faulty.
assembly OK.
Diode D2B OK.
Worklights switch OK.
NO
Relay K12 OK.
POSSIBLE PROBLEMS
Faulty dashboard cable
Repair wire 3039 from relay K9
assembly.
terminal 85 on PDP to terminal board
Faulty relay K9.
TB2 position 56 (para 2-45) or replace
YES
WTEC II dashboard cable assembly
(para 7-10) or WTEC III dashboard cable
assembly (para 7-11).
WARNING
Read WARNING
KNOWN INFO
TEST OPTIONS
on following page.
10.
Voltage Test or
Circuit breakers CB71, CB72,
STE/ICE-R Test #89
and CB74 OK.
Is 12 VDC present at
REASON FOR QUESTION
Hazard lights illuminate.
relay K9 terminal 30?
Light bulb OK.
If 12 VDC is not present, wire
Auxiliary panel cable
1566 is faulty.
assembly OK.
Diode D2B OK.
Worklights switch OK.
Relay K12 OK.
NO
POSSIBLE PROBLEMS
Faulty dashboard cable
assembly.
Repair wire 1566 from relay K9
Faulty relay K9.
terminal 30 on PDP to circuit breaker
CB71 terminal 4 (para 2-45) or replace
YES
WTEC II dashboard cable assembly
(para 7-10) or WTEC III dashboard cable
assembly (para 7-11).
2-1552
Change 1

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