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 1374 of 1824
TM 9-2320-366-20-1
e67. TRAILER LEFT STOP/TURN LIGHT DOES NOT ILLUMINATE (CONT)
2-810
Change 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.
If 12 VDC is not present,
wire 461B is faulty.
Towing vehicle left stop/turn
light OK.
Circuit breaker CB43 OK.
Trailer electrical system OK.
Rear lights cable assembly OK.
Rear intervehicular 24 VDC
(12 pin) cable.
Faulty dashboard cable
assembly.
Faulty relay K30.
Is 12 VDC present at relay
K30 terminal 86 on PDP?
NO
Repair wire 461B from relay K30 terminal 86 on
PDP to connector J19 socket 2 (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
5.
Towing vehicle left stop/turn
light OK.
Circuit breaker CB43 OK.
Trailer electrical system OK.
Rear lights cable assembly OK.
Rear intervehicular 24 VDC
(12 pin) cable.
Is continuity present from
relay K30 terminal 85 on
PDP to ground?
Faulty dashboard cable
assembly.
Faulty relay K30.
If continuity is not present,
wire 3047 is faulty.
Repair wire 3047 from K30 terminal 85 on PDP
to terminal board TB2 position 50 (para 2-45) or
replace WTEC II dashboard cable assembly
(para 7-10) or WTEC III dashboard cable
assembly ( para 7-11).
NO
YES
Replace relay K30 (para 7-9).
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