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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)
KNOWN INFO
TEST OPTIONS
14.
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.
WTEC III relay K34
If continuity is not present,
Engine starts.
terminal 86 to WTEC III
wire 146 is faulty.
Transmission reverse (R)
relay K25 terminal 86?
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 146 from WTEC III
Faulty WTEC III
relay K34 terminal 86 to WTEC III relay
transmission ECU.
YES
K25 terminal 86 (para 2-45) or replace WTEC III
dashboard cable assembly (para 7-11).
2-696
Change 1
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