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Page Title:
ONE OR BOTH HEADLIGHT HIGH BEAMS DO NOT ILLUMINATE |
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 TM 9-2320-366-20-1
TM
INITIAL SETUP
Equipment Condition
Tools and Special Tools
Engine shut down (TM 9-2320-366-10-1).
Tool Kit, Genl Mech (Item 46, Appendix C)
STE/ICE-R (Item 41, Appendix C)
Personnel Required
Multimeter, Digital (Item 22, Appendix C)
(2)
References
TM 9-4910-571-12&P
START
KNOWN INFO
TEST OPTIONS
1.
Headlight low beams
Operational Test
illuminate.
REASON FOR QUESTION
Does one headlight high
POSSIBLE PROBLEMS
This test eliminates
beam illuminate?
possible problems and
Faulty headlight lamp.
determines where
Faulty dashboard cable
troubleshooting continues.
assembly.
Faulty front lights cable
assembly.
NO
Faulty relay K8.
Faulty turn signal
switch.
YES
Go to step 3 of this fault.
KNOWN INFO
TEST OPTIONS
2.
Headlight low beams
Continuity Test or
illuminate.
STE/ICE-R #91
Is continuity present
REASON FOR QUESTION
One headlight high beam
between headlight lamp
illuminates.
If continuity is not present,
wire 17 and headlight
Dashboard cable
headlight lamp is faulty. If
lamp wire 91?
assembly OK.
continuity is present,
Relay K8 OK.
wire 17 is faulty.
Turn signal switch OK.
POSSIBLE PROBLEMS
Faulty headlight lamp.
NO
Faulty wire 17.
Replace headlight lamp
YES
(para 7-41).
Repair wire 17 (para 2-45)
or replace front lights cable
assembly (para 7-82).
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