KNOWN INFO
TEST OPTIONS
REASON FOR QUESTION
WARNING
CAUTION
Read WARNING and
CAUTION on
following page.
Is 12 VDC present at
connector P78?
e48. ONE OR BOTH COMPOSITE TAILLIGHTS DO NOT ILLUMINATE (CONT)
8.
POSSIBLE PROBLEMS
NO
YES
Voltage Test or
STE/ICE-R Test #89
Other service light illuminates.
Circuit breaker CB80 OK.
One composite taillight
illuminates.
Dashboard cable
assembly OK.
Lamp OK.
Faulty rear lights cable
assembly.
Faulty composite taillight
assembly.
If 12 VDC is not present, wire
21 from connector P78 to
splice E20 is faulty.
Repair wire 21 from connector P78 to
splice E20 (para 2-40) or replace rear
lights cable assembly (para 7-75).
TM 9-2320-365-20-1
2-594.4 Change 1