TM 9-2320-365-20-1
2-520
YES
START
1.
Operational Test
This question eliminates
possible problems and
determines where
troubleshooting continues.
Headlight high beams
illuminate.
Does one headlight low
beam illuminate?
NO
Faulty headlight lamp.
Faulty front lights cable
assembly.
Faulty dashboard cable
assembly.
Faulty relay K8.
Faulty turn signal switch.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
2.
Is continuity present
between headlight lamp
wire 18 and
headlight lamp wire 91?
If continuity is not present,
headlight lamp is
faulty. If continuity is
present, wire 18 is faulty.
YES
NO
Headlight high beams
illuminate.
One headlight low beam
operational.
Dashboard cable
assembly OK.
Relay K8 OK.
Turn signal switch OK.
Faulty headlight lamp.
Faulty headlamp wire 18.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
Continuity Test or
STE/ICE-R #91
REASON FOR QUESTION
e41. ONE OR BOTH HEADLIGHT LOW BEAMS DO NOT ILLUMINATE
INITIAL SETUP
Equipment Condition
Engine shut down (TM 9-2320-365-10).
Personnel Required
(2)
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
Go to step 3 of this fault.
Replace headlight lamp
(para 7-34).
Repair wire 18 (para 2-40)
or replace front lights cable
assembly (para 7-74).
