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TM 9-2320-364-20-2
2-1254
11. HEADLIGHT(S) DO NOT OPERATE (HIGH BEAM) (CONT).
Low beam headlights operate.
Headlight lamps OK.
Headlight wire 1017 OK.
Dimmer switch OK.
Wire 1017A OK.
Dimmer relay R5 wire 1435 OK.
Dimmer relay R5 faulty.
Headlight wire 1007 faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Voltage test.
STE/ICE-R #89.
If 10 to 14 vdc are not
measured, relay R5 is faulty.
If 10 to 14 vdc are measured,
wire 1007 is faulty.
YES
NO
Replace dimmer relay
R5 (Para 7-95).
Verify repair, go to
Step 9 of this Fault.
8.
Are 10 to 14 vdc measured on
wire 1007 at dimmer relay R5,
terminal 87?
Repair wire 1007 (see
schematic Fig 2-31)
or notify DS
Maintenance.
Verify repair, go to
Step 9 of this Fault.
WARNING
Low beam headlights operate.
Headlight lamps OK.
Headlight wire 1017 OK.
Dimmer switch OK.
Wire 1017A OK.
Dimmer relay R5 wire 1435 OK.
Dimmer relay R5 OK.
Headlight wire 1007 OK.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Verify repair.
If headlight(s) operate (high
beam), fault corrected.
YES
NO
Fault not corrected.
Notify DS
Maintenance.
9.
Do headlight(s) operate (high
beam)?
Fault corrected.
Read WARNING
on Page 2-1255
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