KNOWN INFO
TEST OPTIONS
Does one
stoplight illuminate?
NO
Go to step 10 of this fault.
YES
KNOWN INFO
TEST OPTIONS
REASON FOR QUESTION
Continuity Test or
STE/ICE-R Test #91
YES
NO
2.
If continuity is not present,
lamp is faulty.
Is continuity present
through lamp?
Faulty lamp.
Faulty rear lights cable
assembly.
Faulty composite taillight
assembly.
Faulty turn signal switch.
Faulty dashboard cable
assembly.
Faulty diode D1B.
Faulty diode D2A.
POSSIBLE PROBLEMS
Blackout stoplights illuminate.
Main light switch OK.
Diode D1A OK.
Relay K10 OK.
1.
e59. ONE OR BOTH STOPLIGHTS DO NOT ILLUMINATE
INITIAL SETUP
Equipment Condition
Engine shut down (TM 9-2320-365-10).
Personnel Required
(2)
Material/Parts
Packing, Preformed (Item 170, Appendix G)
Tools and Special Tools
Tool Kit, Genl Mech (Item 44, Appendix C)
STE/ICE-R (Item 39, Appendix C)
Multimeter, Digital (Item 22, Appendix C)
References
TM 9-4910-571-12&P
Replace lamp
(para 7-32).
TM 9-2320-365-20-1
2-710 Change 1
This question eliminates
possible faults and
determines where
troubleshooting continues.
Operational Test
REASON FOR QUESTION
START
Faulty lamp.
Faulty rear lights cable
assembly.
Faulty composite taillight
assembly.
Faulty turn signal switch.
Faulty dashboard cable
assembly.
Faulty diode D1B.
Faulty diode D2A.
Faulty main light switch.
Faulty diode D1A.
Faulty relay K10.
POSSIBLE PROBLEMS
Blackout stoplights illuminate.
