TM 9-2320-365-20-1
2-526
YES
START
1.
Headlight low beams
illuminate.
Does one headlight high
beam illuminate?
Operational Test
This test eliminates
possible problems and
determines where
troubleshooting continues.
NO
Faulty headlight lamp.
Faulty dashboard cable
assembly.
Faulty front lights 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 17 and headlight
lamp wire 91?
YES
If continuity is not present,
headlight lamp is faulty. If
continuity is present,
wire 17 is faulty.
NO
Headlight low beams
illuminate.
One headlight high beam
illuminates.
Dashboard cable
assembly OK.
Relay K8 OK.
Turn signal switch OK.
Faulty headlight lamp.
Faulty wire 17.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
Continuity Test or
STE/ICE-R #91
REASON FOR QUESTION
e42. ONE OR BOTH HEADLIGHT HIGH 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 17 (para 2-40)
or replace front lights cable
assembly (para 7-74).