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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)
CAUTION
Read CAUTION
KNOWN INFO
TEST OPTIONS
on following page.
9.
Continuity Test or
Circuit breaker CB70 OK.
STE/ICE-R Test #91
Circuit breaker CB73 OK.
Is continuity present from
REASON FOR QUESTION
Both turn signals illuminate.
connector PX33 socket A1
If continuity is not present,
Engine starts.
to connector J51 pin 2?
wire 490 in WTEC II
Transmission reverse (R)
dashboard cable assembly
range OK.
is faulty.
Backup light lamps OK.
Backup light assembly OK.
WTEC II transmission controls.
WTEC II cab transmission
NO
harness OK.
POSSIBLE PROBLEMS
Faulty dashboard cable
assembly.
Repair wire 490 from connector
Faulty rear lights cable
PX33 socket A1 to connector J51
assembly.
YES
pin 2 (para 2-45) or replace WTEC II
Faulty REVERSE
dashboard cable assembly (para 7-10).
WARNING relay in WTEC
II VIM.
Faulty WTEC II
transmission ECU
pushbutton shift selector.
2-686
Change 1
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