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 1382 of 1824
TM 9-2320-366-20-1
KNOWN INFO
TEST OPTIONS
NO
TEST OPTIONS
KNOWN INFO
NO
YES
YES
WARNING
Read WARNING
on following page.
Continuity Test or
STE/ICE-R Test #91
REASON FOR QUESTION
Voltage Test or
STE/ICE-R Test #89
REASON FOR QUESTION
POSSIBLE PROBLEMS
3.
2.
POSSIBLE PROBLEMS
This question eliminates possible
faults and determines where
troubleshooting continues.
Go to step 6 of this fault.
CAUTION
Read CAUTION
on following page.
e68. TRAILER BLACKOUT MARKER LIGHTS DO NOT ILLUMINATE (CONT)
Is 24 VDC present at
relay K29 terminal 30
on PDP?
Faulty dashboard cable
assembly.
Faulty relay K29.
Faulty rear lights cable
assembly.
Faulty rear intervehicular
24 VDC (12 pin) cable.
Faulty dashboard cable
assembly.
Faulty relay K29.
Towing vehicle blackout marker
lights OK.
Circuit breaker CB42 OK.
Trailer electrical system OK.
Rear lights cable assembly OK.
Rear intervehicular 24 VDC
(12 pin) cable OK.
Towing vehicle blackout marker
lights OK.
Circuit breaker CB42 OK.
Trailer electrical system OK.
If 24 VDC is not present,
wire 1958 is faulty.
Repair wire 1958 from K29 terminal 30 on PDP
to circuit breaker CB42 terminal 4 (para 2-45)
or replace WTEC II dashboard cable
assembly (para 7-10) or WTEC III
dashboard cable assembly (para 7-11).
2-818
Change 1
Is continuity present from
connector J130 sockets A,
C, and H to relay K29
terminal 87?
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