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Page Title:
LOW BRAKE PRESSURE INDICATOR LIGHT DOES NOT OPERATE - continued |
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 TM 10-3930-673-20-1
21. LOW BRAKE PRESSURE INDICATOR LIGHT DOES NOT OPERATE (CONT).
4
KNOWN INFO
TEST OPTIONS
Low brake pressure.
Brake Hydraulic Pressure Switch
Is brake hydraulic pressure
Other gage lights work.
Test (Para 8-17)
switch OK (Para 8-17)?
12 vdc present at socket.
REASON FOR QUESTION
Bulb OK.
If continuity is not present, parking
POSSIBLE PROBLEMS
brake switch is faulty.
Brake hydraulic pressure switch
faulty.
Wire 11 faulty.
Wire 2 faulty.
Replace brake
NO
hydraulic pressure
switch (Para 8-17).
YES
5
KNOWN INFO
TEST OPTIONS
Low brake pressure.
Continuity check.
Is continuity present across
Other gages work.
STE/ICE-R #91.
wire 11?
12 vdc present at socket.
REASON FOR QUESTION
Bulb OK.
If continuity is not present across
Brake hydraulic pressure switch
wire, wire is faulty.
OK.
POSSIBLE PROBLEMS
Wire 11 faulty.
Wire 2 faulty.
Replace or
NO
repair wire 11
(Para 8-48).
YES
2-382
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