TM-9-2320-366-20-1
M1083 SERIES, 5 TON, 6x6, MEDIUM TACTICAL VEHICLES (MTV)
TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 1 OF 5
FEBRUARY 2006
CHANGE 3
TM-9-2320-366-20-1 - Page 1312 of 1824
TM 9-2320-366-20-1
e61. ONE OR BOTH STOPLIGHTS DO NOT ILLUMINATE (CONT)
2-752
Change 1
KNOWN INFO
TEST OPTIONS
Continuity Test or
STE/ICE-R Test #91
Faulty dashboard cable
assembly.
Faulty main light switch.
Faulty diode D1A.
Faulty relay K10.
POSSIBLE PROBLEMS
Blackout stoplights illuminate.
Lamp OK.
Rear lights cable assembly
OK.
Composite taillight assembly
OK.
Turn signal switch OK.
Diode D1B OK.
Diode D2A OK.
10.
Is continuity present from
main light switch pin K
to pin C?
NO
Replace main light
switch (para 7-17).
YES
KNOWN INFO
TEST OPTIONS
REASON FOR QUESTION
Voltage Test or
STE/ICE-R Test #89
11.
WARNING
Read WARNING
on following page.
POSSIBLE PROBLEMS
Blackout stoplights illuminate.
Lamp OK.
Rear lights cable assembly
OK.
Composite taillight assembly
OK.
Turn signal switch OK.
Diode D1B OK.
Diode D2A OK.
Main light switch OK.
Faulty dashboard cable
assembly.
Faulty diode D1A.
Faulty relay K10.
Is 12 VDC present at
diode D1A terminal 2?
If 12 VDC is not present,
wire 22 is faulty.
NO
Repair wire 22 from diode D1A terminal 2 to
connector PX15 socket C (para 2-45) or replace
WTEC II dashboard cable assembly (para 7-10) or
WTEC III dashboard cable assembly (para 7-11).
YES
REASON FOR QUESTION
If continuity is not present,
main light switch is faulty.
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