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Page Title:
BACKUP LIGHT DOES NOT ILLUMINATE (CONT) |
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 TM 9-2320-366-20-1
e55. BACKUP LIGHT DOES NOT ILLUMINATE (CONT)
WARNING
CAUTION
Read WARNING and
CAUTION on
KNOWN INFO
TEST OPTIONS
following page.
7.
Voltage Test or
Circuit breaker CB70 OK.
STE/ICE-R Test #89
Circuit breaker CB73 OK.
REASON FOR QUESTION
Is 12 VDC present at
Both turn signals illuminate.
connector PX33 socket C1?
If 12 VDC is not present,
Engine starts.
wire 1460 is faulty.
Transmission reverse (R)
range OK.
Backup light lamps OK.
Backup light assembly OK.
WTEC II transmission controls.
POSSIBLE PROBLEMS
NO
Faulty dashboard cable
assembly.
Faulty WTEC II cab
transmission harness.
Repair wire 1460 from connector
Faulty rear lights cable
PX33 socket C1 to terminal board TB1
assembly.
YES
position 60 (para 2-45) or replace WTEC II
Faulty REVERSE
WARNING relay in WTEC
dashboard cable assembly (para 7-10).
II VIM.
Faulty WTEC II
transmission ECU
pushbutton shift selector.
2-682
Change 1
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