Quantcast M1088/M1089 WORKLIGHTS DO NOT ILLUMINATE (CONT) - TM-9-2320-366-20-20740

 

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CONTINUITY TEST - TM-9-2320-366-20-20739
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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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VOLTAGE TEST - TM-9-2320-366-20-20741
TM 9-2320-366-20-2
e148. M1088/M1089 WORKLIGHTS DO NOT ILLUMINATE (CONT)
KNOWN INFO
TEST OPTIONS
6.
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 K12 terminal 87 to
Light bulb OK.
connector J51 pin 1?
If continuity is not present,
Auxiliary panel cable
wire 2002 is faulty. If
assembly OK.
continuity is present, relay K12
Relay K9 OK.
is faulty.
Diode D2B OK.
Worklights switch OK.
POSSIBLE PROBLEMS
NO
Faulty dashboard cable
assembly.
Faulty relay K12.
Repair wire 2002 from relay K12
terminal 87 on PDP to connector J51
pin 1 (para 2-45) or replace WTEC II
YES
dashboard cable assembly (para 7-10)
or WTEC III dashboard cable assembly
(para 7-11).
Replace relay K12
(para 7-9).
2-1548
Change 1

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