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TM 9-2320-364-20-2
2-1248
11. HEADLIGHT(S) DO NOT OPERATE (HIGH BEAM) (CONT).
2.
Replace headlight
lamp (Para 7-45).
Verify repair, go to
Step 9 of this Fault.
YES
NO
Low beam headlights operate.
Headlight lamps faulty.
Headlight 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
Continuity test.
STE/ICE-R #91.
If headlight lamp or wires are
damaged, high beam headlight
will not operate.
WARNING
3.
Go to Step 8 of this
Fault.
YES
NO
Low beam headlights operate.
Headlight lamps OK.
Headlight 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
Voltage test.
STE/ICE-R #89.
If headlight wire 1017 is loose,
faulty, or shorted to ground, high
beam headlight will not operate.
WARNING
Is continuity measured across
headlight between wires 17
and 91?
Are 10 to 14 vdc measured at
faulty headlight wire 1017?
Read WARNING
on Page 2-1249
Read WARNING
on Page 2-1249
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