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 1362 of 1824
TM 9-2320-366-20-1
e66. TRAILER RIGHT STOP/TURN LIGHT DOES NOT ILLUMINATE (CONT)
2-798
Change 1
KNOWN INFO
TEST OPTIONS
Continuity Test or
STE/ICE-R Test #91
REASON FOR QUESTION
POSSIBLE PROBLEMS
Towing vehicle right stop/turn
light OK.
Circuit breaker CB44 OK.
Trailer electrical system OK.
2.
Faulty dashboard cable
assembly.
Faulty relay K31.
Faulty rear lights cable
assembly.
Faulty rear intervehicular
24 VDC (12 pin) cable.
Is continuity present from
connector J130 socket J
to relay K31 terminal 87?
CAUTION
Read CAUTION
on following page.
Go to step 6 of this fault.
TEST OPTIONS
KNOWN INFO
WARNING
Read WARNING
on following page.
Voltage Test or
STE/ICE-R Test #89
REASON FOR QUESTION
If 24 VDC is not present,
wire 1956 is faulty.
Is 24 VDC present at
relay K31 terminal 30
on PDP?
3.
POSSIBLE PROBLEMS
Towing vehicle right stop/turn
light OK.
Circuit breaker CB44 OK.
Trailer electrical system OK.
Rear lights cable assembly OK.
Rear intervehicular 24 VDC
(12 pin) cable OK.
Faulty dashboard cable
assembly.
Faulty relay K31.
NO
YES
NO
YES
Repair wire 1956 from K31 terminal 30 on PDP to
circuit breaker CB44 terminal 6 (para 2-45) or
replace WTEC II dashboard cable assembly
(para 7-10) or WTEC III dashboard cable assembly
(para 7-11).
This question eliminates
possible problems and
determines where
troubleshooting continues.
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