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Page Title:
TRAILER LEFT STOP/TURN LIGHT DOES NOT ILLUMINATE (CONT) |
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 TM 9-2320-366-20-1
e67. TRAILER LEFT STOP/TURN LIGHT DOES NOT ILLUMINATE (CONT)
WARNING
Read WARNING
KNOWN INFO
TEST OPTIONS
on following page.
4.
Voltage Test or
Towing vehicle left stop/turn
STE/ICE-R Test #89
light OK.
Is 12 VDC present at relay
REASON FOR QUESTION
Circuit breaker CB43 OK.
K30 terminal 86 on PDP?
Trailer electrical system OK.
If 12 VDC is not present,
Rear lights cable assembly OK.
wire 461B is faulty.
Rear intervehicular 24 VDC
(12 pin) cable.
POSSIBLE PROBLEMS
Faulty dashboard cable
NO
assembly.
Faulty relay K30.
Repair wire 461B from relay K30 terminal 86 on
PDP to connector J19 socket 2 (para 2-45) or
YES
replace WTEC II dashboard cable assembly
(para 7-10) or WTEC III dashboard cable
assembly (para 7-11).
KNOWN INFO
TEST OPTIONS
5.
Continuity Test or
Towing vehicle left stop/turn
STE/ICE-R Test #91
light OK.
Is continuity present from
REASON FOR QUESTION
Circuit breaker CB43 OK.
relay K30 terminal 85 on
Trailer electrical system OK.
If continuity is not present,
PDP to ground?
Rear lights cable assembly OK.
wire 3047 is faulty.
Rear intervehicular 24 VDC
(12 pin) cable.
POSSIBLE PROBLEMS
Faulty dashboard cable
NO
assembly.
Faulty relay K30.
Repair wire 3047 from K30 terminal 85 on PDP
to terminal board TB2 position 50 (para 2-45) or
YES
replace WTEC II dashboard cable assembly
(para 7-10) or WTEC III dashboard cable
assembly ( para 7-11).
Replace relay K30 (para 7-9).
2-810
Change 1
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