TEST OPTIONS
TEST OPTIONS
REASON FOR QUESTION
REASON FOR QUESTION
KNOWN INFO
KNOWN INFO
3.
4.
YES
NO
YES
NO
Continuity Test or
STE/ICE-R Test #91
Front blackout marker lights
illuminate.
One rear blackout marker light
illuminates.
Dashboard cable assembly OK.
POSSIBLE PROBLEMS
Faulty rear lights cable
assembly.
Faulty rear blackout marker
light LED.
Faulty composite taillight
assembly.
Front blackout marker lights
illuminate.
One rear blackout marker light
illuminates.
Dashboard cable assembly OK.
Rear lights cable assembly OK.
POSSIBLE PROBLEMS
Faulty rear blackout marker
light LED.
Faulty composite taillight
assembly.
Is continuity present from
LED socket to ground?
If continuity is not present,
wire 3094 (LH rear blackout
marker light) or wire 3095 (RH
rear blackout marker light is
faulty.
Continuity Test or
STE/ICE-R Test #91
Is continuity present from
LED socket and inside of rear
taillight housing?
If continuity is not present,
composite taillight assembly
is faulty. If continuity is
present, rear blackout marker
light LED is faulty.
e51. ONE OR BOTH REAR BLACKOUT MARKER LIGHTS DO NOT ILLUMINATE (CONT)
Repair wire 3094 from terminal lug TL18
to terminal lug TL93 or wire 3095 from terminal
lug TL21 to terminal lug TL92 (para 2-40)
or replace rear lights cable assembly
(para 7-75).
Replace composite taillight
assembly (para 7-32).
Replace rear blackout
marker light LED (para 7-32).
TM 9-2320-365-20-1
2-620 Change 1
