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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).
2
KNOWN INFO
TEST OPTIONS
Low brake pressure.
Continuity check.
Is continuity present across
Other gage lights work.
STE/ICE-R #91.
low brake pressure indicator
POSSIBLE PROBLEMS
REASON FOR QUESTION
lens/bulb?
Bulb faulty.
If continuity is not present, replace
Brake hydraulic pressure switch
bulb.
faulty.
Wire 11 faulty.
Wire 2 faulty.
Replace faulty bulb
NO
(Para 8-9).
YES
3
KNOWN INFO
TEST OPTIONS
Other gages work.
Continuity check.
Is continuity present between
12 vdc present at socket.
STE/ICE-R #91.
low brake pressure indicator
Bulb OK.
REASON FOR QUESTION
light socket outside
POSSIBLE PROBLEMS
This question determines where
conductor and known good
Brake hydraulic pressure switch
troubleshooting continues.
ground?
faulty.
Wire 11 faulty.
Wire 2 faulty.
Go to Step 4 of this
NO
fault.
YES
Go to Step 1 of this
fault.
2-380
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