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 1352 of 1824
TM 9-2320-366-20-1
2-788
Change 1
e65. TRAILER MARKER/TAILLIGHTS DO NOT ILLUMINATE (CONT)
KNOWN INFO
TEST OPTIONS
Continuity Test or
STE/ICE-R Test #91
REASON FOR QUESTION
POSSIBLE PROBLEMS
2.
CAUTION
Read CAUTION
on following page.
Faulty dashboard cable
assembly.
Faulty relay K28.
Faulty rear lights cable
assembly.
Faulty rear intervehicular
24 VDC (12 pin) cable.
Is continuity present from
connector J130 socket E
to relay K28 terminal 87?
Towing vehicle marker/taillights
OK.
Circuit breaker CB41 OK.
Trailer electrical system OK.
NO
YES
Go to step 6 of this fault.
TEST OPTIONS
KNOWN INFO
NO
WARNING
Read WARNING
on following page.
Voltage Test or
STE/ICE-R Test #89
REASON FOR QUESTION
3.
POSSIBLE PROBLEMS
Faulty dashboard cable
assembly.
Faulty relay K28.
Is 24 VDC present at
relay K28 terminal 30
on PDP?
If 24 VDC is not present,
wire 1957 is faulty.
Towing vehicle marker/taillights
OK.
Circuit breaker CB41 OK.
Trailer electrical system OK.
Rear lights cable assembly OK.
Rear intervehicular 24 VDC
(12 pin) cable OK.
NO
YES
Repair wire 1957 from K28 terminal 30 on PDP
to circuit breaker CB41 terminal 2 (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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