1.
Do any of the cab top
marker lights illuminate?
KNOWN INFO
TEST OPTIONS
POSSIBLE PROBLEMS
YES
NO
2.
KNOWN INFO
NO
YES
Is continuity present
through lamp?
POSSIBLE PROBLEMS
e46. ONE OR MORE CAB TOP MARKER LIGHTS DO NOT ILLUMINATE
TEST OPTIONS
Continuity Test or
STE/ICE-R Test #91
REASON FOR QUESTION
Go to step 5 of this fault.
Replace lamp (para 7-31).
TM 9-2320-365-20-1
2-562 Change 1
Other marker lights illuminate.
Faulty lamp.
Faulty marker light assembly.
Faulty cab clearance and
marker lights cable assembly.
Faulty M1081 cab clearance
and marker lights upper cable
assembly.
Other marker lights illuminate.
Lamp OK.
Faulty lamp.
Faulty marker light.
Faulty RH door and cab marker
lights cable assembly.
Operational Test
REASON FOR QUESTION
This question eliminates
possible problems and
determines where
troubleshooting continues.
If continuity is not present,
lamp is faulty.
Tools and Special Tools
Tool Kit, Genl Mech (Item 44, Appendix C)
STE/ICR-R (Item 39, Appendix C)
Multimeter, Digital (Item 22, Appendix C)
References
TM 9-4910-571-12&P
INITIAL SETUP
Equipment Conditions
Engine shut down (TM 9-23230-365-10).
Personnel Required
(2)
Materials/Parts
Lockwasher (4) (Item 71, Appendix G)
Gasket (2) (Item 28, Appendix G)
Wire, Elec, 50 ft (Item 77, Appendix D)
START
