KNOWN INFO
TEST OPTIONS
2.
NO
3.
KNOWN INFO
TEST OPTIONS
REASON FOR QUESTION
YES
NO
Is continuity present
through RH composite
taillight lamp?
Does LH composite
taillight illuminate?
POSSIBLE PROBLEMS
e48. ONE OR BOTH COMPOSITE TAILLIGHTS DO NOT ILLUMINATE (CONT)
YES
Continuity Test or
STE/ICE-R Test #91
Faulty rear lights cable
assembly.
Faulty composite taillight
assembly.
Faulty lamp.
Visual Inspection
REASON FOR QUESTION
Other service light illuminates.
Circuit breaker CB80 OK.
One composite taillight
illuminates.
Dashboard cable
assembly OK.
POSSIBLE PROBLEMS
Faulty rear lights cable
assembly.
Faulty composite taillight
assembly.
Faulty lamp.
Go to step 7 of this fault.
Replace RH composite taillight
lamp (para 7-32).
Other service light illuminates.
Circuit breaker CB80 OK.
One composite taillight
illuminate.
Dashboard cable
assembly OK.
If continuity is not present,
RH composite taillight lamp
is faulty.
TM 9-2320-365-20-1
2-588 Change 1
This question illuminates
possible problems and
determines where
troubleshooting continues.
