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TM 9-2320-364-20-2
2-1246
11. HEADLIGHT(S) DO NOT OPERATE (HIGH BEAM).
INITIAL SETUP
1.
Go to Step 4 of this
Fault.
START
YES
NO
Low beam headlights operate.
Headlight lamps faulty.
Wire 1017 faulty.
Dimmer switch faulty.
Wire 1017A faulty.
Dimmer relay R5 wire 1435
faulty.
Dimmer relay R5 faulty.
Headlight wire 1007 faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual inspection.
To determine if fault is common
to both headlights.
2-20. ELECTRICAL SYSTEM TROUBLESHOOTING (CONT).
Tools and Special Tools
Tool Kit, General Mechanic’s: Automotive
(Item 74, Appendix G)
STE/ICE-R (optional) (Item 3, Appendix G)
Multimeter (Item 44, Appendix G)
Equipment Condition
Engine OFF, (TM 9-2320-364-10)
Parking brake applied, (TM 9-2320-364-10)
Wheels chocked, (TM 9-2320-364-10)
References
TM 9-2320-364-10
TM 9-4910-571-12&P
Does at least one headlight
lamp operate?
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