TEST OPTIONS
REASON FOR QUESTION
NO
YES
KNOWN INFO
Continuity Test or
STE/ICE-R Test #91
10.
POSSIBLE PROBLEMS
Faulty rear lights cable
assembly.
Faulty REVERSE
WARNING relay in WTEC
II VIM.
Faulty WTEC II
transmission ECU
pushbutton shift selector.
If continuity is not present,
wire 490 in rear lights
cable assembly is faulty.
e53. BACKUP LIGHT DOES NOT ILLUMINATE (CONT)
Circuit breaker CB70 OK.
Circuit breaker CB73 OK.
Both turn signals illuminate.
Engine starts.
Transmission reverse (R)
range OK.
Backup light lamps OK.
Backup light assembly OK.
WTEC II transmission controls.
WTEC II cab transmission
harness OK.
WTEC II dashboard cable
assembly OK.
CAUTION
Read CAUTION
on following page.
Is continuity present from
connector P51 socket 2
to connector P87?
Repair wire 490 from connector P51
socket 2 to connector P87 (para 2-40) or
replace rear lights cable assembly (para 7-75).
TM 9-2320-365-20-1
2-656 Change 1
