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 1394 of 1824
TM 9-2320-366-20-1
TEST OPTIONS
REASON FOR QUESTION
KNOWN INFO
Voltage Test or
STE/ICE-R Test #89
POSSIBLE PROBLEMS
WARNING
Read WARNING
on following page.
4.
e69. TRAILER BLACKOUT STOPLIGHTS DO NOT ILLUMINATE (CONT)
2-830
Change 1
Replace relay K27
(para 7-9).
Faulty dashboard cable
assembly.
Faulty relay K27.
Is 12 VDC present at relay
K27 terminal 86 on PDP?
If 12 VDC is not present,
wire 23 is faulty.
Towing vehicle blackout
stoplights OK.
Circuit breaker CB39 OK.
Trailer electrical system OK.
Rear lights cable assembly OK.
Rear intervehicular 24 VDC
(12 pin) cable.
NO
Repair wire 23 from relay K27 terminal 86 on
PDP to connector PX15 socket N (para 2-45)
or replace WTEC II dashboard cable assembly
(para 7-10) or WTEC III
dashboard cable
assembly (para 7-11).
YES
KNOWN INFO
TEST OPTIONS
Continuity Test or
STE/ICE-R Test #91
REASON FOR QUESTION
POSSIBLE PROBLEMS
NO
5.
YES
Is continuity present from
relay K27 terminal 85 on
PDP to ground?
Faulty dashboard cable
assembly.
Faulty relay K27.
If continuity is not present,
wire 3044 is faulty.
Repair wire 3044 from K27 terminal
85 on PDP to terminal board TB2 position
34 (para 2-45) or replace WTEC II dashboard
cable assembly (para 7-10) or WTEC III
dashboard cable assembly ( para 7-11).
Towing vehicle blackout
stoplights OK.
Circuit breaker CB39 OK.
Trailer electrical system OK.
Rear lights cable assembly OK.
Rear intervehicular 24 VDC
(12 pin) cable.
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