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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
Read WARNING
KNOWN INFO
TEST OPTIONS
on following page.
13.
Voltage Test or
Circuit breaker CB70 OK.
STE/ICE-R Test #89
Circuit breaker CB73 OK.
Is 12 VDC present at
REASON FOR QUESTION
Both turn signals illuminate.
WTEC III relay K25
If 12 VDC is not present,
Engine starts.
terminal 30?
wire 1903 is faulty.
Transmission reverse (R)
range OK.
Backup light lamps OK.
Backup light assembly OK.
WTEC III transmission controls.
POSSIBLE PROBLEMS
NO
Faulty WTEC III relay K25.
Faulty WTEC III dashboard
cable assembly.
Faulty rear lights cable
assembly.
Repair wire 1903 from WTEC III
Faulty WTEC III
relay K25 terminal 30 to circuit breaker
YES
transmission ECU.
CB73 terminal 8 (para 2-45) or replace WTEC III
dashboard cable assembly (para 7-11).
2-694
Change 1
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