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TM 9-2320-364-20-2
2-1252
11. HEADLIGHT(S) DO NOT OPERATE (HIGH BEAM) (CONT).
6.
Repair wire 1017A
(see schematic
Fig 2-31) or notify DS
Maintenance.
Verify repair, go to
Step 9 of this Fault.
YES
NO
Low beam headlights operate.
Headlight lamps OK.
Headlight wire 1017 OK.
Dimmer switch OK.
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 wire 1017A is loose, faulty, or
shorted to ground, high beam
headlights will not operate.
WARNING
7.
Repair wire 1435 (see
schematic Fig 2-31)
or notify DS
Maintenance.
Verify repair, go to
Step 9 of this Fault.
YES
NO
Low beam headlights operate.
Headlight lamps OK.
Headlight wire 1017 OK.
Dimmer switch OK.
Wire 1017A OK.
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 relay R5 is not grounded
through wire 1435, high beam
headlights will not operate.
WARNING
Are 10 to 14 vdc measured on
wire 1017A at dimmer relay
R5, terminal 85?
Is continuity measure on wire
1435 between dimmer relay
R5, terminal 86 and a known
good ground?
Read WARNING
on Page 2-1253
Read WARNING
on Page 2-1253
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